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Skutterudite Var Smaltite

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CR178094

Skutterudite Var Smaltite

With Antique Label

Description Tabs

Description
Locality: 
Schneeberg, Erzgebirge, Saxony, Germany
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 6 × 5 cm
Description

This is a very interesting and very old specimen of Skutterudite var Smaltite from the famous Erzgebirge in Germany.

Specimen comes with two very nice old labels.

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

Smaltite

Variety Of: 

Skutterudite

Formula: 
CoAs3-x
Strunz: 
2.EC.05
Hardness: 
5.5 - 6.0
Formula: 
(Co,Fe,Ni)As2
Hardness: 
0.0