Fact-checked by Grok 2 weeks ago

Heliotrope

Heliotrope is a term with several meanings in the natural sciences, arts, and technology. In botany, it refers to plants in the genus Heliotropium (family Boraginaceae). It is also the name of a gemstone known as bloodstone, a shade of purple-violet color, the phenomenon of heliotropism, and a surveying instrument. The genus Heliotropium comprises approximately 300 species of flowering plants distributed across tropical and temperate regions worldwide. These plants vary in form from annual and perennial herbs to subshrubs, woody shrubs, or vines, with prostrate to erect, often branched stems. Leaves are simple and alternate, and flowers occur in coiled scorpioid inflorescences, with small tubular blooms in white, yellow, violet, or purple, many emitting a vanilla-like fragrance. The name derives from Greek helios ("sun") and tropos ("turning"), based on the mistaken belief that the flowers track the sun. Notable species include Heliotropium arborescens (garden heliotrope), a fragrant ornamental shrub native to Peru and Bolivia, and Heliotropium indicum (Indian heliotrope), a weedy annual introduced in various regions. Most species contain toxic pyrrolizidine alkaloids that can cause liver damage in livestock and humans. While some have traditional medicinal uses, their toxicity requires caution.^[1]^[2]^[3]^[4]^[5]^[6]

Natural sciences

Flowering plants

Heliotropium is a genus of flowering plants in the Boraginaceae family, comprising approximately 255 species of annual or perennial herbs, shrubs, or occasionally small trees.^[2]^[7] These plants are characterized by cauline leaves that are simple, entire, and petioled to sessile, often with a rough or hairy texture. Their inflorescences typically form scorpioid cymes—coiled clusters—that bear small, fragrant flowers in shades of purple, blue, white, or occasionally yellow, with a five-lobed corolla and five sepals. Many species produce toxic pyrrolizidine alkaloids, which can cause chronic liver damage in animals upon ingestion.^[2]^[8] Prominent species include Heliotropium arborescens, known as the common heliotrope or cherry pie plant, a tender perennial shrub native to Peru, Bolivia, and Colombia that reaches 2–6 feet in height with dark green, oval leaves and clusters of violet, vanilla-scented flowers.^[3] Another is Heliotropium indicum, or Indian heliotrope, an erect annual herb up to 1.5 meters tall with egg-shaped, hairy leaves and small white to blue flowers, often functioning as a weed in disturbed areas.^[9] Heliotropium europaeum, the European heliotrope, is a low-growing annual with gray-hairy stems, elliptic leaves, and white trumpet-shaped flowers, notorious as an invasive weed in regions like Australia.^[10] The genus is primarily native to tropical and subtropical regions across the Americas, Africa, Asia, and Australia, with a cosmopolitan distribution that includes introductions to temperate zones where some species become invasive.^[7] Ecologically, Heliotropium species play roles in attracting pollinators such as bees and butterflies through their nectar and fragrant blooms, supporting insect-mediated reproduction.^[11] However, their pyrrolizidine alkaloids render many toxic to livestock, causing hepatic failure in cattle and sheep, and to pets like dogs, where H. arborescens can induce severe liver damage.^[12] In arid or coastal settings, species like Heliotropium curassavicum (salt heliotrope) contribute to soil stabilization by colonizing dunes and saline areas with their prostrate, fleshy stems and rhizomes.^[13] Habitat preferences vary but generally favor well-drained, sunny sites; most thrive in full sun with medium moisture, while halophytic species such as H. curassavicum adapt to coastal dunes, alkaline or saline soils, and areas near streams or ponds.^[13]^[3]

Heliotropism

Heliotropism is the directional growth or movement of organisms in response to sunlight, typically involving positive orientation toward the sun to maximize light exposure or negative orientation away from it to avoid damage.^[14] This phenomenon, a specialized form of phototropism, occurs across various taxa including plants, algae, fungi, and some animals, where it facilitates adaptive responses to solar cues. In plants, it manifests as bending or reorientation of stems, leaves, or flowers, while in motile organisms like insects, it aids in navigation.^[15] The primary mechanism in plants involves the redistribution of the hormone auxin, which promotes cell elongation on the shaded side of the organ, causing curvature toward the light source. Photoreceptors such as phototropins, which absorb blue light wavelengths around 450 nm, initiate this response by triggering signal transduction pathways that lead to auxin asymmetry.^[16] In cases of active solar tracking, known as diaheliotropism, additional factors like circadian rhythms and motor cells in pulvini (swollen leaf bases) enable reversible movements, as seen in young sunflower (Helianthus annuus) stems that follow the sun's arc from east to west during the day.^[17] For non-plant organisms, mechanisms vary; fungi like Pilobolus crystallinus bend their sporangiophores toward light via phototropic growth, while algae such as Chlamydomonas exhibit phototaxis driven by rhodopsin-like proteins. In animals, heliotropism often relies on visual cues, with honeybees (Apis mellifera) using the sun as a compass for orientation and navigation through polarized light patterns.^[18]^[19] Types of heliotropism include diaheliotropism, where plant parts actively track the sun's daily path, and more static phototropic responses to unidirectional light. Diurnal patterns dominate in many species, such as sunflowers reorienting westward by afternoon, whereas nocturnal forms are rarer and typically involve moonlight tracking in certain flowers. Examples span kingdoms: positive heliotropism in algae like Ulva that align blades perpendicular to light; fungi display it in sporangiophore orientation; and insects like bees integrate solar position with dances to communicate foraging routes.^[20]^[21] Evolutionarily, heliotropism confers advantages by optimizing photosynthesis through increased light interception, improving pollination via elevated flower temperatures and visibility to pollinators, and aiding thermoregulation in variable environments. Historically, heliotropism was first documented by Theophrastus in ancient Greece around 300 BCE, who observed plant turning toward the sun in his botanical treatises. Modern research employs time-lapse imaging to visualize movements and hormone assays to quantify auxin gradients, revealing distinct genetic pathways for solar tracking versus static phototropism.^[15]^[21]^[22]

Bloodstone mineral

Heliotrope, commonly known as bloodstone, is a variety of chalcedony—a cryptocrystalline form of quartz (SiO₂)—characterized by a dark green base imparted by inclusions of chlorite, amphibole, or pyroxene, overlaid with distinctive red spots or veins of iron oxide, primarily hematite, that resemble drops of blood.^[23]^[24]^[25] This combination of colors arises from the mineral's composite nature, where the green chalcedony matrix hosts the red inclusions, making it a popular material for ornamental use.^[23] The formation of bloodstone occurs through hydrothermal processes in silica-rich environments, typically at shallow depths and low temperatures, where mineral-rich fluids precipitate silica from groundwaters into fractures and cavities, often linked to volcanic activity.^[23]^[25] These conditions allow for the deposition of the green coloring agents alongside hematite, creating the stone's signature appearance. Primary deposits are found in India, particularly the Deccan Plateau; Brazil; Australia, including Western Australia; and the United States, such as in California and Montana.^[23]^[24]^[26] Physically, bloodstone exhibits a Mohs hardness of 6.5 to 7, enabling it to withstand moderate wear, with a specific gravity ranging from 2.55 to 2.63 and a vitreous to waxy luster.^[23]^[25] It is generally translucent to opaque due to its dense inclusions, and pieces suitable for cabochons typically measure 1 to 5 cm in diameter.^[25] The classic variety features irregular spotted or veined red patterns against the green background, while plasma represents a related uniform green form lacking the red inclusions.^[24]^[25] Identification of bloodstone relies on its microcrystalline structure, which differentiates it from coarser-grained jaspers that may share similar colors but lack the precise green base and hematite spotting.^[23]^[25] It shows no significant UV fluorescence, aiding in distinction from fluorescent mimics, and traditional polishing methods employed wax or oils to highlight its subtle sheen without altering the natural inclusions.^[25] Historically, mining traces back to ancient sites in Egypt, Armenia, and India (dating to around 3000 BCE on the Kathiawar Peninsula), with modern extraction centered in India where ethical concerns, including labor conditions and environmental degradation from unregulated operations, have prompted calls for sustainable practices.^[27]^[28]^[29]^[30]

Color and symbolism

The color heliotrope

Heliotrope is defined as a brilliant violet-purple hue, evoking the vibrant clusters of flowers from the Heliotropium genus, commonly known as cherry pie or turnsole. In digital representations, it is standardized as RGB(223, 115, 255) or HEX #DF73FF, comprising approximately 87% red, 45% green, and 100% blue components, which create a medium-light magenta-leaning purple with luminous undertones.^[31]^[32] This shade draws its inspiration from the small, fragrant blooms of the heliotrope plant, which exhibit a similar intense purple when in full display.^[33] The name "heliotrope" for this color entered English usage in the late 19th century, with the first recorded reference in 1882, borrowed from the French "héliotrope," which itself stems from the Greek words for "sun" and "turn," alluding to the flower's heliotropic behavior.^[34] Shades and variants expand on the core hue: light heliotrope offers a softer, pastel interpretation at HEX #DC8BE7, ideal for delicate applications, while heliotrope gray mutes the vibrancy with gray tones, yielding HEX #AA98A9 for a subdued, sophisticated effect.^[35]^[36] Compared to magenta, which emphasizes cooler red-magenta dominance, or lilac's pale, blue-leaning softness, heliotrope stands out with its warmer, more balanced undertones that blend pinkish warmth and purple depth.^[32] In design standards, heliotrope approximates Pantone 19-3737 TCX at HEX #4F3872 for print media, a deeper violet suitable for textiles and interiors, though the brighter web variant prevails in digital contexts via CSS #DF73FF.^[37] Its perception shifts under different lighting; in natural sunlight, the hue can take on a more pinkish cast due to enhanced red reflection against the blue-violet base.^[31] Heliotrope saw significant cultural adoption in Victorian fashion, where it emerged as a fashionable "new color" for dresses and accessories around 1880, often achieved through synthetic aniline dyes that mimicked plant-derived purples for vibrant, lightfast results.^[38] Today, it appears in modern branding through floral-inspired palettes, adding a playful yet elegant pop to logos and packaging in beauty and lifestyle sectors.^[39]

Cultural and historical significance

The term "heliotrope" originates from the Greek words hēlios ("sun") and tropos ("turn"), describing plants that orient toward the sun, with the Latin heliotropium applied to both the flowering plant and the green jasper mineral known as bloodstone.^[40] In Greek mythology, the oceanid nymph Clytie fell in love with the sun god Helios but was spurned; wasting away from unrequited longing, she transformed into a heliotrope flower, eternally turning her face to follow the sun's path.^[41] The bloodstone mineral carries a Christian legend, where it is said to have formed when drops of blood from Christ's wounds during the Crucifixion stained jasper at the foot of the cross, infusing it with red spots.^[42] Ancient Egyptians carved bloodstone into amulets and seals, valuing it for purported healing and protective qualities against enemies.^[43] Romans attributed mystical powers to the heliotrope stone, believing it could reflect the sun's image as blood-red when held in water, thereby granting invisibility to the bearer when combined with the heliotrope plant and incantations.^[44] During the Middle Ages in Europe, bloodstone served as the traditional birthstone for March, worn as a talisman to ward off injury, disease, and evil influences.^[43] The heliotrope flower embodies devotion and eternal love, its sun-tracking habit and sweet vanilla-like fragrance evoking unwavering fidelity in romantic and spiritual contexts.^[45] Bloodstone, by contrast, symbolizes protection, courage, and vitality, often linked to warriors for bolstering strength in battle and appearing in heraldry to denote steadfast loyalty.^[46] Pliny the Elder referenced the heliotrope in his Natural History (1st century AD), portraying it as a leek-green stone flecked with blood-red marks from Ethiopia, Africa, and Cyprus, capable of turning the sun's reflection crimson in water and aiding in magical invisibility rituals.^[44] In contemporary culture, heliotrope imagery features in tattoos and logos to signify personal growth, resilience, and eternal devotion, drawing on its mythological roots. Non-Western traditions include Ayurvedic uses of the Indian heliotrope (Heliotropium indicum) in herbal remedies for inflammation and wounds, though its symbolic role remains more tied to folk healing than broader cultural motifs.^[6]

Uses

In surveying

A heliotrope is a portable surveying instrument consisting of a mirror mounted on a tripod that reflects sunlight in a focused beam over long distances, serving as a visible target for triangulation in geodetic surveys.^[47] This device enables precise angular measurements between distant stations where ordinary targets would be invisible, typically effective up to 50 kilometers or more under clear conditions.^[48] The heliotrope was invented in 1821 by the German mathematician Carl Friedrich Gauss during his triangulation survey of the Kingdom of Hanover, addressing the challenge of sighting remote hilltops.^[47] It gained widespread adoption in the 19th century for large-scale national surveys, including the U.S. Coast and Geodetic Survey starting in the 1840s and the Great Trigonometrical Survey of India under superintendents like George Everest, where it facilitated measurements across vast terrains up to 100 miles apart.^[48] Similar applications extended to colonial surveys in Africa, such as the Anglo-Belgian Boundary Commission's meridian arc measurement in Uganda in 1908–1909.^[49] Key components include a concave or flat silvered glass mirror, typically 6 to 12 inches in diameter, adjustable on a tripod with a vane or sight for alignment toward the observing station; later models incorporated telescopes for finer aiming and sometimes clockwork mechanisms to track the sun's movement.^[50] An operator at the remote station continuously adjusts the mirror to keep the reflected beam steady on the distant theodolite, which reads angles to within one arcsecond of precision when paired with high-quality instruments like those from Ramsden or Troughton.^[51] In operation, the heliotrope creates a bright, pinpoint signal visible through a telescope, allowing surveyors to measure baselines and angles for computing positions via triangulation; it requires direct sunlight and is most effective in the morning or afternoon to avoid glare.^[48] The device's name derives from its sun-tracking function, akin to heliotropism in nature. By the early 20th century, it was largely supplanted by radio signals, aerial photography, and eventually GPS for greater reliability and all-weather capability.^[48] Despite its obsolescence, heliotropes retain niche relevance in low-technology or remote surveys where electronic tools are unavailable, and historical replicas are preserved in museums for demonstrating 19th-century geodesy.^[50] Their primary advantages include low cost and simplicity for covering expansive areas without intermediate markers, though limitations such as weather dependence, the need for skilled attendants, and vulnerability to atmospheric distortion restricted their use to clear days and prompted innovations like night-signaling alternatives.^[48]

Horticulture and perfumery

Heliotropium arborescens, commonly known as garden heliotrope, is cultivated as a tender perennial in USDA hardiness zones 9-11, where it can overwinter outdoors, but is typically grown as an annual in cooler climates.^[52]^[53] Propagation occurs primarily through seeds sown indoors 10-12 weeks before the last frost, requiring germination temperatures of 70-75°F and taking 28-42 days, or via 4-5 inch stem cuttings taken in spring or summer, which root in moist perlite or sand mixtures within two weeks when treated with rooting hormone.^[52]^[53] The plant thrives in rich, loamy, well-draining soil enriched with organic matter, with a preferred pH range of 6.6-7.3; heavy clay soils should be amended with sand or compost to prevent waterlogging.^[52]^[53] Common pests include aphids, whiteflies, spider mites, and mealybugs, which can be managed with insecticidal soaps or neem oil applications, while diseases such as powdery mildew arise in humid conditions and are mitigated by ensuring good air circulation and avoiding overhead watering.^[52]^[53] In ornamental gardening, heliotrope has been prized since the Victorian era for its fragrant clusters of purple or blue flowers, often used in formal borders, cottage gardens, and containers to evoke the scents of cherry pie or vanilla.^[54] Popular hybrid varieties include the dwarf 'Marine', which produces deep violet-blue flowers and offers resistance to powdery mildew, making it suitable for compact spaces.^[53] To maintain a bushy shape and promote continuous blooming from late spring to fall, gardeners pinch back the growing tips in early spring and regularly deadhead spent flowers, pruning leggy stems by up to half if needed.^[52]^[53] In perfumery, the heliotrope's distinctive sweet, almond-like fragrance—reminiscent of cherry pie and vanilla—arises primarily from compounds such as benzaldehyde and vanillin, though it shares notes with ionone derivatives found in related florals.^[55] Due to low oil yields, natural extraction is rare and typically involves enfleurage, where flowers are pressed into odorless fats to absorb the scent, or solvent extraction; steam distillation is less common as it captures only trace volatiles.^[56] Historically, dried heliotrope flowers were incorporated into potpourri sachets for their enduring aroma in wardrobes and drawers during the 19th century.^[57] In modern perfumery, synthetic heliotropin (piperonal) serves as a cost-effective substitute, providing the creamy, powdery heliotrope accord in fragrances without relying on scarce natural absolutes.^[58] Commercial production of heliotrope focuses on ornamental seedlings and plugs. High-performing varieties can yield over 500 flower clusters per plant in a season under optimal greenhouse conditions, though typical outdoor plants produce 100-200 flowering spikes depending on variety and care.^[59] Challenges in heliotrope cultivation include its toxicity, as all parts contain pyrrolizidine alkaloids that can cause liver damage if ingested, limiting its suitability for indoor use near pets or children (detailed further in the Flowering plants section).^[52] Sustainable farming practices for heliotrope include integrated pest management and reduced water substrates to minimize environmental impact, though specific protocols are still emerging in ornamental horticulture literature.

Medicinal and metaphysical

Heliotropium indicum, commonly known as Indian heliotrope, has been utilized in traditional medicine across various cultures for treating wounds, fevers, and rheumatism, often through leaf poultices applied topically in Ayurvedic practices to soothe inflammation and promote healing.^[6]^[60] The plant contains hepatotoxic pyrrolizidine alkaloids, which pose risks of liver damage and have been linked to human fatalities in cases of unintentional ingestion, necessitating caution in its use.^[61] Modern research highlights its anti-inflammatory and antimicrobial properties, attributed to compounds such as flavonoids and phenolic acids, with studies from the 2020s demonstrating potential in wound healing and bacterial inhibition through in vitro assays. As of 2025, studies have further evaluated the cytotoxic and nitric oxide inhibitory activities of extracts from species like Heliotropium dolosum, attributing effects to polyphenolic compounds.^[62]^[63]^[64] The mineral form of heliotrope, known as bloodstone, has historical roots in ancient medicinal practices as a blood purifier, believed to staunch bleeding and detoxify the body when worn or carried as an amulet by warriors.^[65] In metaphysical traditions, bloodstone is associated with grounding energies that foster courage and emotional resilience, particularly through alignment with the root chakra for stability and the heart chakra for compassion and healing.^[66]^[29] It is commonly incorporated into crystal healing grids to amplify intentions for personal strength and balance during meditation or energy work.^[67] Contemporary applications include bloodstone set in jewelry, purported to support circulation and vitality by enhancing energy flow, though these claims stem from traditional lore rather than clinical validation.^[66] Certain Heliotropium species, such as H. bacciferum, have been investigated for potential applications in skin care formulations due to their anti-inflammatory and wound-healing properties, drawing from the plant's historical use in treating dermal conditions.^[68] Among Native American groups, such as the Luiseño, roots of salt heliotrope (Heliotropium curassavicum) are boiled into a tea to regulate menstruation and address related disorders. Esoteric practices employ heliotrope oils in rituals to attract wealth and prosperity, anointing items like candles or wallets to invoke abundance and positive fortune.^[69] Despite these uses, Heliotropium indicum lacks FDA approval for any therapeutic application, and its pyrrolizidine alkaloids contraindicate use during pregnancy due to risks of uterine stimulation and potential abortifacient effects at higher doses.^[61] Recent ethnobotanical studies in Africa, such as those documenting its role in treating infections and inflammation in Ghanaian traditional medicine, underscore ongoing research but highlight the need for further safety evaluations.^[70]^[6]

References

[1]
Heliotropium detail - FSUS - Flora of the Southeastern US
*Heliotropium Linnaeus. Heliotrope, Turnsole. Key to Heliotropium. A genus of ca. 300 species, widespread in tropical and temperate regions.
[2]
Heliotropium - Jepson Herbarium - University of California, Berkeley
Habit: Annual, perennial herb [shrub], glabrous to bristly or strigose. · Stem: prostrate to erect, branched. · Leaf: generally cauline, petioled to sessile, ...
[3]
Heliotropium anomalum var. argenteum - Native Plants Hawaii
The generic name Heliotropium is derived from the Greek helios, sun, and trope, turning, in reference to an erroneous belief that the flowers to turn to face ...
[4]
Heliotropium arborescens - Plant Finder - Missouri Botanical Garden
Common Name · heliotrope ; Type · Broadleaf evergreen ; Family · Boraginaceae ; Native Range · Bolivia, Colombia, Peru ; Zone · 10 to 11.
[5]
Heliotropium arborescens - Plant Toolbox - NC State University
All parts of the plant are poisonous, but toxic to humans only if consumed in large quantities. However, it is toxic to horses and can induce liver failure.Missing: toxicity | Show results with:toxicity
[6]
[PDF] INDIA HELIOTROPE - USDA Plants Database
Although this species of Heliotropium is considered a wetland plant, it is seldom found growing on ponded sites, but does commonly invade bare soil once water.Missing: definition | Show results with:definition
[7]
[PDF] Weed Risk Assessment for Heliotropium europaeum L ... - usda aphis
Sep 5, 2014 · The genus Heliotropium is well known for its toxicity (Burrows and Tyrl, 2001). Humans have ingested toxic levels of pyrrolizidine alkaloids ...
[8]
Heliotropium indicum L.: From Farm to a Source of Bioactive ...
This study aimed to summarize the available data on the ethnomedicinal and phytopharmacological activities of Heliotropium indicum L. based on database reports.Missing: definition | Show results with:definition
[9]
Heliotropium Tourn. ex L. | Plants of the World Online | Kew Science
Accepted Species. Includes 255 Accepted Species. KB. Heliotropium abbreviatum Rusby · Heliotropium acuminatum (A.DC.) Govaerts · Heliotropium acutiflorum Kar.
[10]
Pyrrolizidine Alkaloidosis in Animals - Toxicology
Pyrrolizidine alkaloidosis is typically a chronic toxicosis that results in hepatic failure. It is caused by many toxic plants.
[11]
Heliotropium indicum - Useful Tropical Plants
### Summary of Heliotropium indicum
[12]
Common Heliotrope, Potato Weed, Barooga ... - Weeds Australia
Common Heliotrope is predominantly a weed of the dry-land cropping areas of southern Australia, where it is associated with disturbed sites such as roadsides, ...
[13]
A Guide to Growing Heliotrope - Garden Design
The most commonly grown garden species (Heliotropium arborescens) is a tender perennial shrub in its native South American habit, but is most often grown as an ...Missing: characteristics | Show results with:characteristics<|separator|>
[14]
Common flower that is poisonous to pets - Bridger Animal Nutrition
May 5, 2021 · Heliotrope contains alkaloids that are potent liver toxins. When nibbled on in large quantities by our pets, extreme illness and possible death can occur.
[15]
Heliotropium curassavicum (Salt heliotrope) | Native Plants of North ...
Feb 13, 2023 · A fleshy, bluish-green, smooth plant with leafy stems often lying on the ground, usually with paired coils of small, white or purplish-tinged ...
[16]
Heliotropism - an overview | ScienceDirect Topics
Heliotropism of reproductive structures is a widespread response in the plant kingdom, and it is even present in fungi and algae. Despite the interesting ...
[17]
Phototropic solar tracking in sunflower plants - Oxford Academic
Sep 29, 2015 · Only elongating, vegetative sunflower shoots and the upper leaves perform phototropic solar tracking.
[18]
Phototropism: Growing towards an Understanding of Plant Movement
Phototropism, or the differential cell elongation exhibited by a plant organ in response to directional blue light, provides the plant with a means to optimize ...
[19]
Multiple light signaling pathways control solar tracking in sunflowers
Collectively, our data suggest that heliotropism is transcriptionally regulated by mechanisms distinct from classic phototropin-mediated phototropism and is ...
[20]
(PDF) Plant-like heliotropism in a photosymbiotic animal
Jun 3, 2025 · Being photosynthetic sessile organisms, plants established heliotropism to track the sun's position across the sky and allow their ...Missing: bees navigation
[21]
Honeybee navigation: following routes using polarized-light cues
We have examined whether bees can be trained to find their way through a maze composed of four interconnected tunnels, by using directional information ...
[22]
Turning heads: The biology of solar tracking in sunflower
Heliotropism in sunflowers is a complex response to daily environmental cycles. · Though long observed, many questions about solar tracking remain unanswered.
[23]
[PDF] FROM HELIOTROPE TO Helianthus : AN OVERVIEW
THEOPHRASTUS of Eresus, the pupil and successor of. Aristotle ... These plants with negative heliotropism have been called "contrassol", against the sun.
[24]
Phototropism: Bending towards Enlightenment - PMC - NIH
In his botanical writings, Theophrastus recorded the phototropic (and solar-tracking) tendencies of plants, but rather than implicating any activators in the ...Missing: heliotropism | Show results with:heliotropism
[25]
Bloodstone: A dark green gem with bright red spatters
Bloodstone is a dark green variety of chalcedony adorned with a spatter of bright red. It has been a popular gemstone for at least two thousand years.Missing: identification | Show results with:identification
[26]
Bloodstone: Mineral information, data and localities.
Sep 12, 2025 · A variety of prase (dark green/greenish-blue chalcedony or jasper), with small red blood-like spots. Used as a gem. Also called heliotrope.Missing: formation sources
[27]
Bloodstone: Properties, Facts About it - Geology In
The geological origins of heliotrope/bloodstone are closely tied to volcanic and hydrothermal processes. The formation of heliotrope involves a combination of ...Missing: identification sources mining
[28]
Bloodstone Healing Properties, Facts and Photos - Stone Mania
Bloodstone is mined predominantly in India, Australia, Siberia, Scotland, Brazil and the United States. According to the Traditional and Ayurvedic Birthstone ...Missing: mining Armenia
[29]
Bloodstone Gemstone - Guide to Value, Marks, History - WorthPoint
A heliotrope bloodstone is transparent and displays red within the stone. ... Bloodstone's symbolic powers date back to Ancient Babylon, Egypt, and Greece.
[30]
https://naturalgemstones.com/education/indian-gemstone-mining-challenges/
[31]
https://encycolorpedia.com/df73ff
[32]
https://www.colorhexa.com/df73ff
[33]
Heliotrope / #df73ff Hex Color Code, RGB and Paints - Encycolorpedia
#df73ff is a medium light shade of magenta. In the RGB color model #df73ff is composed of 87.45% red, 45.1% green and 100.0% blue.Missing: definition Pantone
[34]
Heliotrope / #df73ff hex color - ColorHexa
In a RGB color space, hex #df73ff (also known as Heliotrope) is composed of 87.5% red, 45.1% green and 100% blue. Whereas in a CMYK color space, it is ...Missing: definition Pantone
[35]
https://color-register.org/color/light-heliotrope
[36]
Color Chronicles: Imaginative Heliotrope - Lomography
Oct 13, 2018 · According to A Dictionary of Color (1930), the term heliotrope was first used to represent a color in 1882. Credits: roxyvonschlotterstein.
[37]
Heliotrope - WorldWideWords.org
often specifically Tyrian purple, because it was made and sold at the ancient Phoenician seaport of Tyre ...
[38]
Light Heliotrope - DC8BE7 - The Official Register of Color Names -
The digital color HEX #DC8BE7, known as "Light Heliotrope", belongs to the Magenta Color Family featuring High Saturation (Saturation Family) and Very Light ...
[39]
Heliotrope gray / #aa98a9 Hex Color Code, RGB and Paints
The color heliotrope gray with hexadecimal color code #aa98a9 is a medium light shade of magenta. In the RGB color model #aa98a9 is composed of 66.67% red, ...
[40]
About PANTONE 19-3737 TCX - Heliotrope Color - colorxs.com
The hexadecimal color code(color number) for PANTONE 19-3737 TCX - Heliotrope is #4F3872, and the RGB color code is RGB(79, 56, 114).<|control11|><|separator|>
[41]
1880 | Fashion History Timeline
Jun 2, 2020 · “Of the new color heliotrope is very fashionable; but it is not ... Full-Color Victorian Fashions, 1870-1893. Mineola, NY: Dover ...
[42]
The Best 15 Heliotrope Color Palette Combinations - Piktochart
Oct 29, 2024 · Discover stunning heliotrope color palette combinations to elevate your design projects. Explore the top 15 vibrant pairings!
[43]
Heliotrope - Etymology, Origin & Meaning
"plant which turns its flowers and leaves to the sun," 1620s, from French héliotrope (14c., Old French eliotrope) and directly from Latin heliotropium.
[44]
CLYTIE (Klytie) - Heliotrope Oceanid Nymph of Greek Mythology
Klytie was probably identified with Klymene (Clymene), the Okeanid mother of Phaethon by Helios. Both of their names mean "Famed One." PARENTS. OKEANOS ...
[45]
https://morflora.com/heliotrope-flower-meaning/
[46]
Meet bloodstone, the 'other' birthstone of March - IGI
Mar 1, 2023 · Ancient symbolism In medieval Europe, bloodstone was thought to be a powerful protector against injury and disease, and it was used in many ...
[47]
Pliny, Natural History, 37 (b) - ATTALUS
{60.} L [165] The heliotrope, which is found in Ethiopia, Africa and Cyprus, is leek-green in colour, but is marked with blood-red streaks.
[48]
Heliotrope Flower Meaning: Colors, Symbolism & Allure - morflora
Jul 24, 2024 · Heliotrope flowers symbolize devotion, eternal love, and faithfulness. Their name comes from Greek words meaning “sun-turning,” which fits their habit of ...
[49]
Heliotrope: Bloodstone Metaphysical Properties, Meaning & More
Ancient Greeks and Romans associated bloodstone with courage, strength, and victory, often wearing the stone as amulets or carving it into seals and signet ...
[50]
Bloodstone Value, Price, and Jewelry Information - Gem Society
Feb 16, 2025 · ” According to the ancient natural historian Pliny the Elder, this stone gives a red reflection when turned to face the sun while immersed in ...
[51]
Heliotrope | surveying instrument - Britannica
an instrument that reflects the Sun's rays in a focused beam that can be observed from several miles away, which improved the accuracy of the observations.
[52]
The Surveyors' Heliotrope: Its Rise and Demise - LIDAR Magazine
Oct 31, 2004 · One form of the heliotrope consisted of a telescope mounted with a vertical and horizontal motion. This was turned upon the station that the ...
[53]
Acetylene signal lamp with heliograph attachment used for geodetic ...
These lamps were used in the measurement of the arc of meridian in Uganda in 1908–1909 under the Anglo-Belgian Boundary Commission, and later in the Royal ...
[54]
The Heliotrope
The heliotrope was utilized by surveyors as a specialized form of target; it was employed during large triangulation surveys where, because of the great ...
[55]
Geodetic Surveys
After 1791 base lines were measured with 100 foot steel chains. Jesse Ramsden's theodolite with a 3 ft. circle reading to 1" built in 1787 was used for the ...<|control11|><|separator|>
[56]
How to Grow and Care for Heliotropes - The Spruce
Mar 12, 2023 · The heliotrope flower (Heliotropium) is a genus of flowering plants in the Boraginaceae family containing around 325 species.
[57]
How to Plant and Grow Heliotropes - Gardener's Path
Jul 11, 2023 · Heliotropes can cause severe liver damage in dogs if eaten. Keep them away from your dogs. 10. Reply. Penny (@guest_4050). #4050. 6 ...
[58]
https://www.thegoodscentscompany.com/data/rw1005891.html
[59]
Heliotropin, Heliotrope Odor and Tahitian Vanilla Flavor: The End of ...
Aug 9, 2025 · Abstract. A targeted search for heliotropin (or piperonal) in the flower fragrance of heliotrope and in cured vanilla beans of Tahitian origin ...Missing: enfleurage steam distillation potpourri
[60]
https://informaticsjournals.co.in/index.php/jnr/article/download/150/150
[61]
Heliotrope - The Perfume Society
Heliotrope's teamed with violets and iris for a talcum-powdery, lipstick-esque sweetness – but as you may now have guessed, it's actually very versatile.Missing: steam distillation ionone potpourri piperonal
[62]
heliotropin, 120-57-0 - The Good Scents Company
Give softness and creaminess. Taste Description:sweet creamy nutty benzaldehyde vanilla spice. Sigma-Aldrich. Piperonal, ≥99%, FCC, FG.Missing: enfleurage distillation potpourri
[63]
Dutch Expertise Can Help Grow Mexico's Ornamental Industry
Sep 29, 2021 · The Netherlands is the largest producer of cut flowers in the world, producing 1.7 billion cut flowers annually, roughly 60 percent of the ...
[64]
Reducing Substrate Moisture Content (SMC) during Greenhouse ...
Heliotrope grown at 20% SMC produced the same size plant as 40% SMC, but had a higher shoot coloring percentage at the end of production and postproduction, ...
[65]
Culture Report: Heliotropium 'Augusta Lavender'
Jan 6, 2022 · Oregon State also gave the plant a perfect score and mentioned flower counts exceeding 500 flower clusters per plant. Finally, Colorado ...Missing: yield | Show results with:yield
[66]
[PDF] Studies on the antimicrobial activity of Heliotropium indicum Linn.
The plant is bitter, astringent and cures intractable fevers and also used as a diuretic. The leaves are used to cure ulcers, wound and local inflammations [1].
[67]
[PDF] A Review of the Pharmacological Activities and Safety of ...
Human fatalities from the unintentional intake of several Heliotropium species have been reported in South Africa, Jamaica, and Barbados14. H. indicum has ...
[68]
Systematic review of the phytochemical compounds use of ...
Sep 18, 2025 · Studies have shown that extracts from the plant possess significant cytotoxic, antimicrobial, antiinflammatory, antioxidant, and wound-healing ...
[69]
Unveiling the biological activities of Heliotropium indicum L. plant ...
Heliotropium indicum is well-known for its diverse medicinal properties, traditionally utilized to treat ailments such as diabetes, obesity, ...
[70]
https://www.ethnopharmacologia.org/prelude2020/pdf/biblio-hk-69-komlaga.pdf
[71]
https://www.crystalvaults.com/crystal-encyclopedia/bloodstone/
[72]
Heliotrope Stone - Definition, Uses and Appearance
Mar 12, 2024 · The Heliotrope Stone, commonly known as Bloodstone, carries a rich tapestry of history, mystique, and utility that spans across centuries ...
[73]
[PDF] Phytochemical Screening, Antibacterial Activity and Fatty Acids from ...
Heliotropium indicum are used in ethnomedicine for treating skin rashes, inflammation, tumors and various diseases of microbial origin. Previous work focused on ...<|separator|>
[74]
Heliotrope Oil Blend - Meditation, Law of Attraction, Spiritual Products
In stockHeliotrope Oil, earthy and floral, is traditionally associated with healing and wealth. Sun's Eye oils can be used to scent your home, car, or body, used for ...
[75]
[PDF] Medicinal plants and finished marketed herbal products used in the ...
Jul 4, 2015 · Ethnopharmacological relevance: Ethnobotanical survey was performed to document medicinal plants employed in the management of malaria in ...