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Silver Löllingite & Arsenic

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NST677440

Silver Löllingite & Arsenic

Description Tabs

Description
Locality: 
Hartenstein, Zwickau, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.8 × 5.2 × 2.7 cm
Description

Interesting example of silver, löllingite and arsenic etched out of calcite and framed by quartz.

Mineral Data
What's on the rock

Silver

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

Löllingite

Formula: 
FeAs2
Strunz: 
2.EB.15a
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Wolfbau Mine, Lölling District, Hüttenberger Erzberg, Hüttenberg, Friesach - Hüttenberg area, Carinthia, Austria

Arsenic

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