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Silver Acanthite & Nickelskutterudite

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UVM882442

Silver Acanthite & Nickelskutterudite

Classic Locality

Description Tabs

Description
Locality: 
Alhambra Mine, Black Hawk, Grant County, New Mexico, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.7 × 0.8 cm
Description

A sawn endcut of silver with acanthite and nickelskutterudite in matrix from the now reclaimed Alhambra mine.

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

Nickelskutterudite

Formula: 
NiAs3-x
Strunz: 
2.EC.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Streak: 
Black
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany

Seller Information

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