Fact-checked by Grok 2 weeks ago

Electrum

Electrum is a naturally occurring primarily composed of and silver, typically featuring a pale yellow hue due to its variable composition, which often ranges from 20% to 75% by weight, with the remainder being silver and trace elements. This was one of the earliest metals worked by ancient civilizations, valued for its malleability, resistance, and luster, properties that stem from the complete solid of and silver in each other across all proportions. Historically, electrum holds immense significance as the material used for the world's first coined in the Kingdom of Lydia around 600 BCE, where it facilitated standardized trade in the and Greek world. Artisans in regions like and employed electrum for crafting jewelry, ornaments, and religious artifacts as early as the , exploiting its natural occurrence in riverbeds and deposits to create intricate designs without advanced refining techniques. The term "electrum" itself originates from the ēlektron, initially denoting —a fossilized with similar tones—but by , it specifically referred to this gold-silver mixture, distinguishing it from pure (chrysos). In modern contexts, electrum's legacy extends to and , where synthetic Au-Ag alloys mimic its structure for applications in , plasmonics, and biomedical devices, leveraging the alloy's tunable optical and electronic properties at the nanoscale. These advancements build on electrum's ancient role as a foundational bimetallic system, highlighting its enduring relevance from prehistoric to cutting-edge engineering.

Introduction and Etymology

Definition

Electrum is a naturally occurring or artificially produced primarily composed of and silver, often containing trace elements such as , iron, or . This bimetallic material has been recognized since for its metallic luster and relative abundance in certain deposits, distinguishing it from pure elemental metals. As one of the earliest known alloys utilized by s, electrum dates back to at least the third millennium BCE, with evidence of its use in ancient metallurgy for decorative purposes. Its discovery and exploitation marked a significant advancement in early processing of precious metals, predating more refined alloying techniques. Unlike pure or silver, electrum exhibits a pale hue attributed to its typical silver content of 20-50%, which imparts a lighter tone compared to the deeper of unalloyed . This also renders electrum harder and more durable than pure , enhancing its suitability for crafting while maintaining malleability.

Etymology

The term "electrum" originates from the Ancient Greek word ἤλεκτρον (ēlektron), which denoted , the fossilized tree resin prized for its pale yellow hue and ability to generate when rubbed, attracting lightweight objects like feathers or hair—a phenomenon first noted by the philosopher around 600 BCE. This linguistic root reflected the alloy's similar lustrous, amber-like appearance, leading the Greeks to apply ἤλεκτρον to the naturally occurring gold-silver mixture found in riverbeds and ores. The word entered Latin as electrum, retaining its dual reference to both the metallic alloy and , and this form persisted into medieval and early modern scholarship, eventually influencing scientific nomenclature related to derived from amber's electrostatic traits. authors, building on usage, extended electrum to describe pale alloys of with significant silver content, often one-fifth or more, emphasizing their shared "brilliant" or sun-like sheen. Ancient misconceptions further blurred the distinction, as evidenced by Pliny the Elder's (circa 77 CE), where he describes electrum as amber—a resinous substance from northern islands, heated by the sun and yielding fragrant fumes—while also treating it as a metallic due to their comparable yellowish glow and rarity. This overlap in terminology fostered early confusion between the organic and the inorganic , perpetuating a cultural perception of electrum as a singular, enigmatic "amber metal" in classical texts.

Composition and Properties

Chemical Composition

Electrum is an primarily composed of (Au) and (Ag), with typical compositions ranging from 20% to 80% and 20% to 80% by weight, though the exact proportions vary based on the source and formation process. Trace elements such as (Cu, up to 5%), (Fe), (Pd), and occasionally or are commonly present in natural occurrences, influencing the alloy's properties without dominating the overall makeup. Natural electrum forms in placer deposits through the natural amalgamation of and silver particles, as seen in ancient sources like the sands of the River in , where it typically exhibits higher content of 70% to 90%. In contrast, refined or artificial electrum, particularly that produced for coinage in , featured deliberately controlled silver levels to achieve more consistent compositions, often around 45% to 55% , allowing for in economic applications. Impurities like copper in electrum can darken the alloy's appearance by shifting its hue toward brassy or reddish tones, which historically diminished its perceived purity and market value while complicating its use in high-precision minting or ornamentation. These compositional variations contribute to subtle differences in color, as detailed in discussions of physical properties. Electrum benefits from the complete solid solubility of gold and silver in each other, allowing for uniform alloys across a wide range of compositions.

Physical and Metallurgical Properties

Electrum displays a to bright yellow coloration, depending on the proportion of silver, with a metallic luster that resembles but appears less brilliant due to the alloying effect. This distinctive appearance made it visually appealing for ancient craftsmanship, though its subdued shine compared to pure influenced its selective use in decorative items. The has a Mohs hardness of 2.5 to 3, rendering it softer than pure (which scores 2.5 to 3 but often feels more resilient in practice) and susceptible to scratching, yet this relative softness contributes to its ease of manipulation. ranges from approximately 12.5 to 16.5 g/cm³, directly varying with the silver content—higher silver lowers the density compared to pure gold's 19.3 g/cm³—providing a substantial yet workable weight for artifacts like jewelry and coins. Electrum's high malleability allows it to be readily shaped without cracking, facilitating techniques such as hammering and forming into intricate designs. Metallurgically, electrum exhibits strong resistance to and tarnishing, owing to the nature of both and silver, which protects it from oxidation even in humid or saline environments over centuries. Its typically ranges from 960–1060 °C, depending on the Au:Ag ratio and lower than that of pure (1064 °C) due to alloying with silver (962 °C), enabling easier and in ancient furnaces without advanced technology. This combination of traits—enhanced workability for both and cold-working, alongside —made electrum ideal for practical applications requiring both aesthetic appeal and longevity. Trace elements like can slightly alter these properties, such as increasing marginally, but do not fundamentally change its overall behavior.

Historical Development

Origins and Early Production

Electrum, a naturally occurring alloy of gold and silver, first emerged as a significant material in ancient , located in western (modern-day ), during the late 7th century BCE. The earliest evidence of its exploitation dates to around BCE, derived from placer deposits in rivers such as the and Hermus, which flowed through the Lydian capital of . These alluvial sediments contained electrum in varying compositions, typically ranging from 45% to 85% gold, washed down from upstream gold-bearing veins. The natural formation of electrum in these riverbeds provided the initial source material, reflecting geological processes where gold and silver amalgamated in the Tmolus Mountains before eroding into the waterways. Early production involved rudimentary metallurgical techniques to process these natural deposits into usable forms. Placer electrum was collected through panning and washing, then smelted in crucibles to remove impurities and consolidate the , often without deliberate separation of its and silver components. Artisans occasionally produced artificial electrum by alloying placer with silver-rich ores or byproducts, achieving a more consistent composition around two parts to one part silver for practical applications. techniques emerged concurrently, whereby producers increased the silver content—often to around 45%—by mixing in additional silver or using salt cementation to chloridize and extract some , thereby yielding more material from limited supplies and facilitating broader distribution. King Croesus, who reigned from approximately 560 to 546 BCE, is credited with advancing standardized production by establishing uniform weight standards for electrum, such as the 14.1-gram , which laid the groundwork for reliable economic exchange before his innovations in pure and silver coinage. The use of electrum spread rapidly from Lydia to neighboring regions from the late 7th century BCE onward, particularly to —the coastal city-states in —and further into mainland , coinciding with the shift from systems to formalized monetary economies. Ionian mints, such as those in and , adopted electrum coinage by the mid-6th century, producing staters that mimicked n designs and weights to facilitate across the Aegean. This dissemination marked a pivotal transition, as electrum's inherent value and durability encouraged its role in early commerce, though its limited natural availability outside prompted some polities to experiment with silver alternatives by the century's end.

Use in Coinage

Electrum played a foundational role in the invention of coinage, with the earliest known coins being Lydian staters produced around 600 BCE in the kingdom of , located in modern-day western . These coins were struck from naturally occurring electrum sourced from local riverbeds, marking the transition from and weighed metal to standardized . The staters featured simple punch marks on one side, often including symbolic motifs such as the forepart or head of a , which served both as emblems and guarantees of authenticity. Weights varied across denominations, ranging from approximately 4.7 grams for thirds of a stater to 16.1 grams for full staters, reflecting a graduated system that facilitated everyday transactions. The use of electrum coinage quickly spread to Greek city-states in , particularly , where it was adopted in the late 7th to early 6th centuries BCE. Phocaean electrum coins, often issued in fractional staters, incorporated diverse types such as animal figures or abstract symbols, building on Lydian prototypes but adapting them for maritime commerce. These coins circulated widely, influencing Persian imperial coinage—such as the gold darics introduced by Darius I around 520 BCE, which echoed electrum's bimetallic heritage—and facilitating trade across the Mediterranean, from ports to North outposts. The portability and prestige of electrum helped integrate Ionian economies into broader networks, enabling the exchange of goods like grain, wine, and textiles. Economically, electrum's value derived primarily from its gold content, which ranged naturally from 20% to 70%, providing an intrinsic worth that underpinned trust in these early currencies without reliance on decree. However, significant variability in the alloy's composition—often exceeding natural deposits due to intentional mixing or depletion processes—led to disputes over purity and value, eroding confidence among users. By the BCE, these inconsistencies prompted a shift toward purer silver in and contexts, as mints like standardized silver drachmas for greater reliability in and taxation. This transition diminished electrum's dominance, relegating it to niche or fractional uses while establishing silver as the prevalent .

Applications Beyond Coinage

In , electrum was employed in the creation of jewelry and ornaments as early as the third millennium BCE, including during the period around 2000 BCE, particularly for crafting beads, amulets, and pendants that symbolized protection and divine favor. Artisans valued its pale yellow sheen and malleability, which allowed for intricate designs such as scarab-shaped pendants and wire bracelets, often inlaid with semiprecious stones. These items were commonly worn by elites and buried with the deceased to ensure prosperity in the . Electrum was imported to from Anatolian sources for use in jewelry during the third millennium BCE. In , electrum featured prominently in personal adornments like seals and rings from the period onward, around the third millennium BCE, where it was sourced from Anatolian trade routes and hammered into functional yet decorative objects. caps and finger rings, sometimes engraved with inscriptions or animal motifs, served both administrative and ornamental purposes among the in cities like . The alloy's durability made it ideal for such items, which were often combined with or for enhanced aesthetic appeal. Electrum also held significance in ritual contexts across various cultures, including Greek votive offerings dedicated at sanctuaries like the , where artifacts made from the were presented to deities as symbols of or . In Persian-influenced regions, such as Lydian territories under Achaemenid control, electrum was used for ceremonial artifacts including ornate vessels and horse trappings that conveyed imperial prestige during rituals. Later, in alchemical traditions from the medieval period, electrum acquired symbolic value as a "divine" metal representing the harmonious union of solar gold and lunar silver, embodying perfection and the virtues of multiple metals in philosophical and esoteric practices. By the Hellenistic period, electrum's non-monetary applications began to decline as advances in refining techniques enabled the separation of gold and silver, favoring purer metals for due to their consistent value and appearance. However, the persisted in Byzantine jewelry through the early medieval era, appearing in items like 7th-century finger rings and pendants that blended Christian iconography with classical motifs, often featuring electrum's subtle luster in ecclesiastical ornaments. This continuity reflected electrum's enduring appeal in regions where natural deposits remained accessible.

Cultural and Archaeological Significance

Representations in Ancient Art and Mythology

In mythology, the term elektron—originally denoting —was mythologically associated with the tears shed by the , the sisters of , who were transformed into poplar trees after his catastrophic fall from the sun . This narrative, prominently featured in Ovid's and earlier sources like Hesiod's fragments, portrayed elektron as solidified tears of grief, imbued with solar radiance and emotional depth, a that later extended to the metallic electrum due to its pale, glowing hue. The etymological tie to underscores electrum's perceived luminosity in lore. In Egyptian religious texts, electrum held divine status as "" (nbw hd), a term denoting its colorless, precious quality and distinguishing it from pure ; it symbolized the incorruptible flesh of deities, as in descriptions of with bones of white gold and flesh of electrum, evoking eternal vitality and celestial purity. This association reinforced electrum's role in sacred , where its shine mirrored the gods' . Homeric epics portray electrum as a coveted material for elite artifacts, emphasizing its brilliance in luxurious settings; in the Odyssey, it adorns the palace doors and treasures of Menelaus, signifying heroic wealth and splendor, while alchemical interpretations later linked it to the magical armor of Achilles in the Iliad, blending myth with metallurgical allure. Hittite artistic motifs incorporated electrum inlays on bracelets and statuettes of mountain gods, enhancing divine figures with repoussé details that highlighted ritual power and otherworldly sheen. Phoenician art similarly featured electrum inlays on khopeshes and rings, often with inscribed motifs evoking prosperity and maritime dominance. Across these cultures, electrum embodied immortality through its untarnishable luster—echoing concepts of eternal life akin to the sun god —and wealth as a fusion of gold's divinity and silver's purity, reserved for kings and temples. This dual symbolism profoundly shaped later alchemical thought, where electrum was revered as a proto-philosopher's stone, an artificial amalgam symbolizing the harmonious union of opposites in the pursuit of and enlightenment, as explored in Heinrich Khunrath's 16th-century manuscripts.

Key Discoveries and Artifacts

One of the most significant archaeological discoveries of electrum artifacts is the hoard from the (Artemision) at , where over 100 electrum coins were unearthed across multiple excavations. The initial excavations in 1904–1905 by a team led by David G. Hogarth revealed 93 early electrum coins as foundation offerings for the temple's predecessor, dating to around 600 BCE and representing some of the earliest known coinage. Subsequent digs in the 1960s by an Austrian team under Hermann Herzig added 13 more electrum pieces, bringing the total to 108 and providing evidence of Lydian-influenced minting practices in . These coins, including types like lion-and-swan motifs, highlight variations in craftsmanship, such as irregular weights and diverse punch marks, suggesting production by multiple workshops. In the Lydian heartland, excavations at have yielded smaller but crucial electrum hoards, including a group of 45 Lydian electrum coins discovered at nearby in a controlled context dating to the late BCE. These finds, comprising denominations like third-staters and sixth-staters, illustrate the widespread circulation of electrum as a in . More recent discoveries underscore electrum's natural occurrence and early exploitation beyond coinage. A 10.4-gram electrum-quartz pebble discovered in 2012 in Saalian glacial sediments on Island, , with geochemical analysis tracing its origin to deposits and demonstrating transport mechanisms that distributed the alloy across . A 2024 publication highlights the use of electrum in ancient artifacts, including cowrie-shell beads possibly linked to predynastic traditions and items such as a gilded silver mask from , indicating its role in elite adornments as early as ca. 3000 BCE. These artifacts offer key insights into ancient economies and . The and hoards reveal trade networks linking to and , with coin distributions suggesting routes extending toward the for raw electrum sourcing. Meanwhile, the Sylt pebble and items highlight electrum's pre-monetary role, from glacial dispersal to ritualistic crafting, while compositional variations across finds—such as differing gold-silver ratios—point to localized refining techniques adapted to available deposits.

Modern Analysis and Applications

Scientific Studies and Techniques

Modern non-destructive techniques such as neutron diffraction and muon radiography have been employed to analyze the internal structure and homogeneity of ancient electrum coins without damaging artifacts. In a 2025 joint doctoral project between the University of Oxford's School of Archaeology and the ISIS Neutron and Muon Source, researchers are investigating the manufacturing processes of early electrum coinage from the 7th–6th centuries BCE, using neutron imaging to map alloy distribution and muon tomography to detect subsurface variations in composition. These methods allow for the examination of coin cores, revealing potential inconsistencies in gold-silver mixing that traditional surface analyses might overlook. Compositional studies of electrum have utilized (XRF) to identify patterns, where silver content was intentionally increased to stretch limited supplies. Analyses of Lydian and Ionian electrum from the 7th–5th centuries BCE, conducted via non-destructive XRF, demonstrate progressive reductions in fineness from around 70% to as low as 40% in later issues, indicating economic manipulations during the period. Complementing these, recent electrochemical models of gold-silver equilibration, updated in 2025 research on fahlore assemblages, incorporate 2023–2024 determinations of activity-composition relations to simulate alloy formation temperatures and stability under ancient metallurgical conditions. These models predict equilibration at 300–500°C, providing insights into how natural electrum was refined or blended. Recent insights from analytical studies have confirmed both natural and artificial origins in Lydian electrum samples, with depletion techniques artificially enriching surfaces in to mimic higher-value natural alloys. Examination of Sardis-excavated coins using electron probe microanalysis and XRF in a 2020 study revealed surface enrichment in relative to cores, suggesting deliberate electrochemical or thermal treatments to enhance appearance and value. Additionally, trace element mapping via inductively coupled plasma mass spectrometry (LA-ICP-MS) has enabled provenance determination; for instance, a 2021 analysis of an electrum pebble from Sylt, , identified Scandinavian origins through elevated and traces matching Norwegian deposits. These techniques underscore electrum's diverse sourcing, from Anatolian placer deposits to glacial transport.

Contemporary Uses

In recent years, electrum has seen a in the form of modern alloys designed for sustainable jewelry production. Modern Electrum™, introduced in 2024 through a collaboration between Italy's Legor Group and , is a 9-karat composed of , silver, and , along with other non-precious metals, all sourced 100% from certified recycled materials under RJC and CoC standards. This nickel-free and copper-free formulation offers superior tarnish resistance compared to traditional 9-karat alloys, with a of up to 115 after at 450°C for 45 minutes, making it ideal for durable, eco-friendly jewelry pieces such as those in the Lands Collection. Contemporary applications also extend to collectibles and high-end craftsmanship, where electrum's pale, lustrous appearance evokes ancient . Replicas of Lydian-style electrum , minted using gold-silver to mimic the originals, are produced for numismatists and educational purposes, available through specialized vendors catering to history enthusiasts. In luxury watchmaking, electrum has been incorporated for its corrosion resistance and unique metallic sheen; for instance, Urwerk's Electrum (2021) features a case made from a gold-silver with at least 20% silver, blending ancient material with modern engineering, while Hublot's Ledger (2022) uses electrum in its bezel to symbolize the fusion of historical currency with technology. These uses highlight electrum's niche role in premium, aesthetically driven products rather than widespread industrial adoption.

References

  1. [1]
    Roland Scal precious metals
    Gold is found in nature with other metals in alloys, one example is electrum which contains more than 20% silver. When gold is mixed with other metals by man it ...
  2. [2]
    Ancient Names for Amber - Getty Museum
    Traditionally, an alloy with more than 75 percent gold present is described as gold. If it is a gold-silver alloy with less than 75 percent gold, it is electrum ...
  3. [3]
    Electrum, the Gold–Silver Alloy, from the Bulk Scale to the Nanoscale
    Nov 25, 2015 · The term “Electrum” denotes the native gold–silver alloy that provided humanity with some of its first experiences with metallurgy. Its surface ...
  4. [4]
    [PDF] Chapter 3 - Money, Coins
    In a first phase (about 600 B.C. to 550 B.C.), coins began to appear in Lydia and the surrounding regions. They were made of electrum, a mixture of gold and ...
  5. [5]
    Electrum, the Gold–Silver Alloy, from the Bulk Scale to the Nanoscale
    The alloy Au−Ag system is an important noble bimetallic phase, both historically (as "Electrum") and now especially in nanotechnology, as it is applied in ...
  6. [6]
    [PDF] An Analysis of Electrum Coinage in Ancient Greece
    This is because, unlike the currency used later in the ancient world, the first coins were made out of an alloy of gold and silver, with some copper, called ...
  7. [7]
    The Production of Ancient Coins pg.3 - Lawrence University
    Ancient coins were made from gold, silver, electrum, and copper and its alloys, bronze or brass. ... electrum, an alloy of gold and at least 20 per cent silver.
  8. [8]
    Analyzing and Interpreting the Metallurgy of Early Electrum Coins ...
    FAQs. The presence of elements like platinum-group elements, high lead (>0.5%), or significant copper (>1%) indicates refined electrum; otherwise, ...
  9. [9]
    Electrum - an overview | ScienceDirect Topics
    Electrum is defined as a natural alloy of gold and silver, historically recognized as one of the seven known metals since prehistoric times. AI generated ...
  10. [10]
    Electrum Metal Alloy or Green Gold - ThoughtCo
    Jun 10, 2025 · Electrum is a natural alloy of gold and silver, often called green gold when man-made. Natural electrum varies in color with gold content ...
  11. [11]
    Electrum - Etymology, Origin & Meaning
    Originating from Latin electrum, meaning an alloy of gold and silver or amber, this word historically denotes a pale yellow gold-silver mix or amber.
  12. [12]
    Amber: an introduction to organic chemistry – scienceinschool.org
    It was the first substance on which electrostatic phenomena were observed, by the Greek philosopher Thales of Miletus, 600 BC, and it gave electricity its name ...
  13. [13]
    PLINY THE ELDER, Natural History | Loeb Classical Library
    Electrum, properly amber, was a word applied to an alloy of gold and silver, and also to native argentiferous gold, because of their resemblance in colour.Missing: confusion | Show results with:confusion<|separator|>
  14. [14]
    What Is Electrum? Composition and Color - Science Notes
    Mar 15, 2021 · Electrum is a natural alloy of gold and silver, with trace amounts of copper and other metals. The man-made gold and silver alloy with a similar composition is ...
  15. [15]
    How can i make the "ideal" electrum composition? - Ganoksin Orchid
    Oct 2, 2023 · Electrum was used to make the earliest metal coins, dating back at least to the 3rd millennium BC in Egypt. The Egyptians also used the metal to ...<|control11|><|separator|>
  16. [16]
    Electrum: Mineral information, data and localities.
    Oct 20, 2025 · Hardness: 2½ - 3 on Mohs scale. Hardness Data: Measured. Tenacity: Malleable. Cleavage: None Observed. Fracture: Hackly. Comment: Despite its ...
  17. [17]
    Metals and Alloys - Densities - The Engineering ToolBox
    Electrum (natural alloy silver and gold), 12500 - 15000. Erbium, 9070. Eroded metal, 7860. Europium, 5243. Gadolinium, 7900. Gallium, 5907. Germanium, 5323.
  18. [18]
    Electrum, the Gold–Silver Alloy, from the Bulk Scale to the Nanoscale
    The term “Electrum” denotes the native gold–silver alloy that provided humanity with some of its first experiences with metallurgy.Results and Discussion · Methods · Supporting Information · References
  19. [19]
    [PDF] electrum - 1. Coinage emerging from a fickle metal - ACHEMENET
    electrum occurred in the silts of rivers, such as the Hermus and the Pactolus, which flowed through the Lydian capital Sardis (Ramage and Craddock 2000: 14-26).
  20. [20]
    Reasons for the Lydian electrum coins and the succeeding Greek ...
    Dec 15, 2019 · Coinage began in Lydia, in the interior of West Anatolia, in the form of electrum in the second half of the 7th century BC, around 630.
  21. [21]
    Gold and Silver Refining at Sardis - Sardis Expedition
    Recovering gold and silver from electrum was accomplished at Sardis during the first half of the sixth century BC in simple installations located outside the ...
  22. [22]
    Controlling the Composition of Gold and the lnvention of Gold ...
    ... Lydian electrum coins published be- the natural gold and then debased this by the controlled fore the work on the Sardis refinery showed that the sil ...
  23. [23]
    (PDF) COINS OF THE LYDIAN KINGDOM - Academia.edu
    The proposed standard composition of Lydian electrum is two parts gold to one part silver. · Electrum coins were introduced around 650 BC, revolutionizing Lydian ...
  24. [24]
    The Origin of Electrum Coinage
    If Croesus's electrum bars con- tained either a tertiary alloy (such as copper or iron) or air bubbles as a result of casting, their gold content would have.
  25. [25]
    [PDF] The birth of coinage - CORE
    Sometime between 650 and 500 BC, coinage was invented and spread throughout the Greek world. ... Greeks had the ability to recognize artificial electrum.
  26. [26]
    The Coins of Sardis
    The lion-head coins were minted in graduated denominations, the largest weighing 4.7 grams (= 1/3 of a Lydian weight stater), the smallest (1/48th of a stater) ...
  27. [27]
    coin | British Museum
    Denomination: stater, 1/3 (Lydo-Milesian weight standard.) ; Description: Electrum coin. (whole): Head of lion, right, with radiate globule on forehead. (obverse) ...
  28. [28]
    [PDF] On the Origin of Specie - BU Personal Websites
    The touchstone is attested in Greek texts as far back as the 6th century BCE and often called “the Lydian stone”; but the technology is clearly far older. A ...
  29. [29]
    The Coinage of the Persian Empire - Oxford Academic
    The Lydian coinage system completely changed with an ingenious coin reform. With Alyattes's electrum coinage, the recipient had no way of judging the gold or ...
  30. [30]
    The Monetary Background of Early Coinage - Oxford Academic
    73% gold, 27% silver), whereas their actual metal content had been artificially altered (54% gold, 44% silver, 1 or 2% copper), resulting in a extraordinary ...
  31. [31]
    Gold in Ancient Egypt - The Metropolitan Museum of Art
    Jan 1, 2017 · Child's bracelet, Gold. Child's bracelet. ca. 2650 B.C. ; Pendant in the Shape of an Uraeus, Electrum. Pendant in the Shape of an Uraeus. 2030– ...
  32. [32]
    Earring - The Metropolitan Museum of Art
    Artwork Details ; Title: Earring ; Date: 11th century ; Geography: Attributed to Egypt ; Medium: Electrum ; Dimensions: H. 2 1/16 in. (5.2 cm) W. 1 1/4 in. (3.2 cm)
  33. [33]
    Development of Jewelry in Mesopotamia
    Mesopotamian culture first started focusing on jewelry around 4000 years ago, initially in cities of Sumer and Akkad where this craft received much attention.
  34. [34]
    Expedition Magazine | Ur and Its Treasures - Penn Museum
    The royal burials contained riches almost beyond imagining—gold, electrum, and silver; lapis lazuli, carnelian, agate, and chalcedony; carved and decorated ...
  35. [35]
    The Hidden History of Ancient Jewelry - The Archaeologist
    Feb 12, 2025 · In Mesopotamia, craftsmen worked with electrum (a gold-silver alloy), copper, and gemstones like agate and jasper to create detailed amulets and ...
  36. [36]
    Electrum Coins and Their Archaeological Context - Academia.edu
    The most prolific excavations with regard to the earliest coinage have been carried out in the Ionian cities of Ephesus and Clazomenae, in the Lydian capital ...
  37. [37]
    Lydian Jewelry - The Archaeological Exploration of Sardis
    Jewelry craftsmen and artisans that were brought from Sardis continued to manufacture artifacts in mixed Lydian, Persian and Greek motifs and styles at ...Missing: ritual | Show results with:ritual
  38. [38]
    8. Alchemy and Astrology - Life of Paracelsus - SelfDefinition.Org
    Such a composition is called 'electrum.' It possesses the virtues of the seven metals that enter into its composition, and the electrum is one of the most ...
  39. [39]
    Why electrum coins were pivotal in ancient trade circulation?
    Jan 14, 2025 · Decline of electrum coins. Despite their advantages, electrum coins fell out of favor as techniques for refining gold and silver improved.
  40. [40]
    Finger Ring - Byzantine - The Metropolitan Museum of Art
    Title: Finger Ring; Date: 7th century; Geography: Made in Niederbreisig, Germany; Culture: Byzantine; Medium: Electrum; Dimensions: Overall: 11/16 x 3/16 in ...
  41. [41]
    Byzantine Electrum and Carnelian Pendant - Ancient & Oriental
    £295.00A Byzantine electrum pendant featuring a biconvex, rhombus-shaped carnelian. The semi-precious stone is encased with a thin electrum band with a raised ...
  42. [42]
    Ancient Literary Sources on the Origins of Amber - Getty Museum
    By Quintus's time, the tale of Phaethon had long been the preeminent myth associated with amber. The name Phaethon, meaning “the shining one” or “the radiant ...
  43. [43]
    Electrum: from Ancient to Modern Meanings
    Dec 21, 2010 · New research on Baltic amber evidences that Neolithic cultures around the Baltic Sea gathered amber for jewelry as far back as 13,000 years ago.
  44. [44]
    [PDF] Gold, Electrum, and Silver - eScholarship
    Nov 8, 2024 · Electrum. Electrum, also known as “argentian gold,” is a ... their physical properties (e.g., melting points, hardness). Melting ...
  45. [45]
    [PDF] the religious in - Shedet
    2 At Dendera temple, Isis is said to have bones of white gold and flesh of real gold /electrum, Wilson,. Ptol. Lexikon, 696. 3 Edfou, II, 74 (7); IV, 273 (11); ...
  46. [46]
    (PDF) Of Electrum and the Armour of Achilles - Academia.edu
    Electrum, an alloy of gold and silver, was believed to possess magical properties in armory. Heinrich Khunrath's 'Consilium' links ancient myth, alchemy, and ...Missing: cups | Show results with:cups
  47. [47]
    An insight into Old Hittite metallurgy: alloying practices at ... - jstor
    There are also some unprovenanced examples of cupronickel artefacts attested to the Hittites. A bracelet with an electrum repoussé inlay from the province of.
  48. [48]
    AN ELECTRUM RING WITH PHOENICIAN INSCRIPTION, 6-7TH ...
    An electrum ring fashioned from a bevelled bar bent into a circle. Engraved onto the outer surfaces are eight letters, 'LamdAlephNunSin(?)AinMem(?), ...Missing: inlays Hittite motifs
  49. [49]
    Gold in Ancient Egypt
    Gold, known as “nub” in ancient Egyptian, was highly valued and associated with the sun god Re. It was considered a divine metal and represented eternal life.
  50. [50]
    Myth and Magic in a Manuscript of Heinrich Khunrath (1560-1605)
    Aug 9, 2025 · electrum. To the contemporary chemist, electrum is an artificial or naturally-occurring ... Philosophers' Stone, forth-. coming in the online ...
  51. [51]
    Hoard of Electrum Coins: 26 Electrum Third-Staters - Sardis Expedition
    This hoard of 45 electrum coins from Gordion is one of the best collections of this early type of coin from a controlled archaeological context. The coins were ...Missing: excavations 1930s
  52. [52]
    A remarkable discovery of electrum on the island of Sylt, northern ...
    Jul 14, 2021 · An electrum–quartz pebble with a weight of 10.4 g was discovered in a cliff of Saalian glaciogenic sediments on the west coast of the German North Sea island ...
  53. [53]
    Investigating Early Electrum Coinage with Neutrons and Muons
    Aug 19, 2025 · This is a fully funded joint doctoral studentship between the School of Archaeology, University of Oxford, and the ISIS Neutron and Muon Source.Missing: radiography | Show results with:radiography
  54. [54]
    XRF Analysis of Several Groups of Electrum Coins - ResearchGate
    Aug 18, 2021 · The article studies the influence of zoomorphic images on the archaic coinage of Ionia and Asia Minor on the Scythian animal style. The ...Missing: debasement | Show results with:debasement
  55. [55]
    Electrum in Fahlore Assemblages: Gold Fineness and Equilibration ...
    This update employs the recent electrochemical determinations of activity-composition relations of electrum ... Physicochemical modeling of the coupled behavior ...
  56. [56]
    (PDF) Depletion-Gilding of Lydian Electrum Coins and the Sources ...
    ... 5th century BCE. Analysis reveals a significant variation in gold and silver content across different areas of the coins. The electrum coins were collected ...Missing: dominance | Show results with:dominance
  57. [57]
    Modern Electrum: exclusive alloy composed of precious metals - Legor
    Modern Electrum is an exclusive alloy composed of three precious metals – Gold, Silver, and Palladium – all RJC and CoC certified, and 100% sourced from ...
  58. [58]
    Modern Electrum: Unveiling a New Era of Conscientious Luxury ...
    Jun 26, 2024 · PRNewswire/ -- Introducing Modern Electrum, a groundbreaking alloy that embodies the future of sustainable luxury.
  59. [59]
    [PDF] MODERN ELECTRUM™ - Legor
    A perfect blend of tradition, elegance, and modernity, Modern Electrum™ is an exclusive alloy composed of five precious metals 100% from certified recycled.
  60. [60]
  61. [61]
    Smithy Works, Coins - Coins - Wulflund
    5-day delivery 14-day returnsWe offer replicas of coins from many different historical periods, not only for collectors and others with a passion for numismatics.
  62. [62]
    The Urwerk UR-100 Electrum Limited Edition (Live Pics & Price)
    Sep 1, 2021 · Electrum is a naturally occurring alloy of gold, with at least 20% silver, and contains several other elements like copper and iron. In ancient ...
  63. [63]
    HUBLOT PARTNERS WITH LEDGER TO MERGE HIGH-END ...
    Feb 15, 2022 · HUBLOT PARTNERS WITH LEDGER TO MERGE HIGH-END CRYPTO TECHNOLOGY AND THE ANCIENT CURRENCY “ELECTRUM” WITH TRADITIONAL WATCH CRAFTSMANSHIP.