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Löllingite Allargentum & Arsenic

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PDM599161

Löllingite Allargentum & Arsenic

Classic Locality

Description Tabs

Description
Locality: 
Shaft 371, Schlema-Hartenstein, Erzgebirge, Schlema, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 4.8 × 2.7 cm
Description

Aggregate of hundreds of grey lustrous, well defined crystals of löllingite on botryoidal masses of blackish native arsenic. The specimen is spotted by silver grey crystals of allargentum. Ex. A. Gelders specimen, #445.

Mineral Data
What's on the rock

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

Allargentum

Formula: 
(Ag1-xSbx)
Strunz: 
2.AA.30
Crystal System: 
Hexagonal
Hardness: 
3.5
Colour: 
Silver
Type Locality: 
University Mine (Giroux Lake Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada

Arsenic

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

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