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Safflorite & Skutterudite

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RMM106774

Safflorite & Skutterudite

Description Tabs

Description
Locality: 
Nippising 404 Mine, Cobalt, Ontario, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 2 cm
Description

This is a large botryoid of cobalt arsenides covered with micro safflorite crystals and poorly developed skutterudite crystals The black areas on the surface of the botryoid are massive, tarnished chalcopyrite. Also on the sample is quartz and the underside has some erythrite and skutterudite cyrstals. The piece weighs approximately 80 grams.

Mineral Data
What's on the rock

Safflorite

Formula: 
(Co,Ni,Fe)As2
Strunz: 
2.EB.15a
Hardness: 
4.5 - 5.0
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, 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

Seller Information

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