naturally occurring gold and silver alloy

A naturally occurring, deep-yellow to pale-yellow alloy of gold with silver; argentiferous gold, containing more than 20% silver.

an alloy of silver and gold.

alloy of gold and silver (at least 20%) of varying purity.

A naturally occurring alloy of silver and gold. The earliest coins of ancient Asia Minor and many Byzantine issues were struck in this metal.

An alloy of gold and silver.

Electrum is a natural alloy of gold and silver. Electrum is traditionally described as pale yellow with a greenish tint.

a natural alloy of gold and silver, used to make some of the first coins.

A natural pale yellow alloy of gold and silver.

A natural mixture of gold and silver.

Alloy of gold and silver, sometimes called white gold, used for minting the staters of Lydia, seventh century BC, and other early European coins.

a natural or man-made alloy of gold and silver, first used for coinage by the Lydians.

A natural alloy of gold and silver emplyed by the Ionian Greeks. Found in considerable quantities in the river Pactolus in Lydia. The electrum of Asia Minor contained approximately 27% silver.

A mixture of gold and silver. FAIENCE. . A glazed material, with a base of either carved soapstone or moulded clay, with an overlay of blue/green colored glass.

Naturally occurring alloy of gold and silver used for early coins; also refers to gold debased with silver

Electrum is a naturally occurring alloy of gold and silver, with trace amounts of copper and other metals. Color ranges from pale to bright yellow, depending on the proportions of gold and silver. Gold content of naturally-occurring electrum in modern Western Anatolia ranges from 70% to 90% in contrast to the 45-55% of electrum used in ancient Lydian coinage of the same geographcal area; source http://rg.ancients.info/lion/article.html.