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Acanthite

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DPH72658

Acanthite

Description Tabs

Description
Locality: 
Serra Is Ollastus, Vallermosa, South Sardinia Province, Sardinia, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3 × 2 cm
Description

Old specimen, probably 100 years ago, of massive acanthite in addition with some small, sharp acanthite crystals from the long-time abandoned mining district in Sardinia.

Mineral Data
What's on the rock

Acanthite

Formula: 
Ag2S
Strunz: 
2.BA.35
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 2.5
Streak: 
lead grey
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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