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Arsenopyrite

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CR798663

Arsenopyrite

Description Tabs

Description
Locality: 
Panasqueira Mines, Covilhã, Castelo Branco District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 3.7 × 4.2 cm
Description

A classic and superb large arsenopyrite specimen with large parallel growth elongated, lustrous crystals.

Very good and attractive old time specimen.

Mineral Data
What's on the rock

Arsenopyrite

Formula: 
FeAsS
Strunz: 
2.EB.20
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0