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Chloanthite & Erythrite

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NST715053

Chloanthite & Erythrite

Description Tabs

Description
Locality: 
Richelsdorf District, Wildeck, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.5 × 2.3 cm
Largest Crystal: 
0.90cm
Description

A sample of Cloanthite showing crystals up to 9 mm from Richelsdorf.

Mineral Data
What's on the rock

Chloanthite

Variety Of: 

Nickelskutterudite

Formula: 
NiAs3-x
Strunz: 
2.EC.05
Hardness: 
5.5 - 6.0
Formula: 
NiAs2 - excess As up to As2.5
Hardness: 
0.0

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