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Native Silver On Native Copper

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PJM90540

Native Silver On Native Copper

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Block 10, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 5.4 × 2.5 cm
Description

A  fantastic cluster of sharp native copper crystals from the Block 10 Mine at Broken Hill. The native copper has a veneer of native silver giving the specimen a silvery irridescent patina, in places where the silver is quite thick it occurs was black crystalline masses with small cerussite and anglesite crystals.

This is an old time specimen and dates back to the 1890's or at the latest early 1900's

 

 

Mineral Data
What's on the rock

Silver

Formula: 
Ag
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
Earthstones Australia

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