Electrum

Also known as green gold

thumb|Natural electrum "wires" on quartz, historic specimen from the old Smuggler-Union Mine, Telluride, Colorado, USA thumb|The Pactolus river, from which [[Lydia obtained electrum for its early coinage]] thumb|Electrum Phoenician metal bowls|Phoenician bowl with mythological scenes, a sphinx frieze and the repre­sentation of a king vanquishing his enemies, Cypro-Archaic I, from [[Idalion, 8th–7th centuries BC (Louvre, Paris)]] thumb|Brooch with a griffin protome, from the necropolis of [[Kameiros, Rhodes, (Louvre)]]