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Native Silver & Acanthite

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CLB187256

Native Silver & Acanthite

ex collection E. R. Contreras
Classic Locality

Description Tabs

Description
Locality: 
Balcoll Mine, Falset, Priorat, Tarragona, Catalonia, Spain
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 4 × 3 cm
Description

A very exciting specimen full of shiny bright, dendritic silver crystal aggregates and wires on all sides, with little dull black acanthite inetween.
A very aesthetic 360°-specimen with almost no matrix.
Spanish silver specimen are very rare and almost impossible to find. A one-time offer.

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

Seller Information

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