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Rammelsbergite Arsenic & Native Silver

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JYJ845333

Rammelsbergite Arsenic & Native Silver

Description Tabs

Description
Locality: 
Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.5 × 1.8 cm
Description

Dendritic rammelsbergite, arsenic with native Silver from Jachymov, Czech Republic. 

Mineral Data
What's on the rock

Rammelsbergite

Formula: 
NiAs2
Strunz: 
2.EB.15a
Hardness: 
5.5 - 6.0
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany

Arsenic

Formula: 
As
Strunz: 
1.CA.05
Crystal System: 
Trigonal
Hardness: 
3.5
Streak: 
Grey

Silver

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