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Silver & Acanthite

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RSL687611

Silver & Acanthite

Classic Locality

Description Tabs

Description
Locality: 
Balcoll Mine, Falset, Priorat, Tarragona, Catalonia, Spain
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 0.8 cm
Description

In this specimen we observe groups of skeletal growth formed by small but brilliant crystals. Accompanied by black acanthite aggregates but some of them very brilliant. From shaft 2 of this silver mine. A classic locality for the Catalan and Spanish mineralogy.

Mineral Data
What's on the rock

Silver

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

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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