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Skutterudite & Erythrite

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JYJ105218

Skutterudite & Erythrite

Description Tabs

Description
Locality: 
Richelsdorf Smelter, Süß, Nentershausen, Hersfeld-Rotenburg, Hesse, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4 × 3.5 cm
Description

A massive skutterudite specimen with balls of erythrite grown all over the specimen and inside small vugs. One side is cut and polished to show the massive ore.

Mineral Data
What's on the rock

Skutterudite

Formula: 
CoAs3-x
Strunz: 
2.EC.05
Hardness: 
5.5 - 6.0
Streak: 
Black
Type Locality: 
Skuterud Mines (Skutterud Mines; Modum Cobalt Mines), Modum, Buskerud, Norway

Erythrite

Formula: 
Co3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.5 - 2.5
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany