|Mineral class||Elements : Copper-silver-gold group|
|Habitus||As flakes, threads or branches, rarely as octaedric crystals.|
|Cleavage||None, malleable. Hooky fracture.|
|Color||Silvery white, but often with a black tarnish.|
|Description||Used mainly for ornaments, coins, and silver jewelry as well as some medicinal purposes such as bactericides and antiseptics. Other usage is in photographics and electronics.|
|Occurance|| Occurs in low tempered hydrothermal veins with calcite.|
In high tempered ore veins with sulfides and also as a secondary mineral in silver rich ores.
|Notes|| Good electrical conductor.|
Easily dissolved in nitric acid, gives a white yolk with natrium chloride.
| To elements index.
|| Mineral group index.
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