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Acanthite

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SMM678284

Acanthite

Classic Locality

Description Tabs

Description
Locality: 
Monte Narba Mine, San Vito, Sarrabus, South Sardinia Province, Sardinia, Italy
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 3 cm
Description

Nice sample with many metallic-black crystalline lamellae of acanthite on calcite matrix that has been slightly etched  with acid to make them emerge. From a classic sardinian silver mine of the Sarrabus District.

Boxed with Label
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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