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Native Silver & Acanthite

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JWM951263

Description Tabs

Description
Locality: 
Porco, Agua de Castilla, Quijarro Province, Potosi Department, Bolivia
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 5.6 × 4.6 cm
Weight: 
263.00gr
Description

A dark grey metallic specimen of silver and acanthite.  Very dense and heavy for its size.  From an old collection with painted number.

Actual shipping cost will be calculated and added to the invoice.

Previous labels supplied (not photographed)
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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