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Dyscrasite Native Arsenic & Löllingite

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PJM154241

Dyscrasite Native Arsenic & Löllingite

Description Tabs

Description
Locality: 
St Andreasberg, Harz Mountains, Lower Saxony, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 3.5 × 2.4 cm
Description

A classic oldtime silver  ore specimen from St Andreasburg, the matrix is off white giving an ideal background to show off nodules with black native arsenic or small block dycrasite crystals with silvery lollingite and some brassy argentopyrite (?). This specimen has a sawn base  and comes with an old label stating silver St Andreasburg

Mineral Data
What's on the rock

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

Arsenic

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

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
Earthstones Australia

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