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Rammelsbergite & Skutterudite

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ESM797920

Rammelsbergite & Skutterudite

Description Tabs

Description
Locality: 
Měděnec, Klášterec nad Ohří, Krušné Hory, Ústí nad Labem Region, Czech Republic
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.5 × 3 cm
Description

Lustrous metallic rammelsbergite and skutterudite crystals

Mineral Data
What's on the rock

Rammelsbergite

Formula: 
NiAs2
Strunz: 
2.EB.15a
Hardness: 
5.5 - 6.0
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany

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