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Gold On Copper

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CYF535792

Gold On Copper

Description Tabs

Description
Locality: 
Andacollo, Elqui Province, Coquimbo Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.2 × 0.4 cm
Description

An exceptionally rare specimen this one!

Micro gold on crystalline native copper, from the Andacollo mine in Chile. The gold is best seen with a hand lens, but some is visible to the naked eye.  This little known mine is one of the few locales that ever produced gold on copper, and by far the most attractive. There were not many pieces in the find and are now almost impossible to acquire.

(#JV227)

Mineral Data
What's on the rock

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0