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Arsenic & Dyscrasite

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SYA647307

Arsenic & Dyscrasite

Classic Locality

Description Tabs

Description
Locality: 
St Andreasberg, Goslar, Lower Saxony, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 5 × 3.5 cm
Description

A heavy specimen of native arsenic, variety Scherbenkobalt with platy lamellar dyscrasite and sparkling tiny safflorite crystals in calcite.

Good and typical old ore sample from this historic german mining area.

Mineral Data
What's on the rock

Arsenic

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

Dyscrasite

Formula: 
Ag3Sb
Strunz: 
2.AA.35
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Wenzel Mine, Frohnbach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany

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