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Arsenopyrite With Quartz

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TBM773703

Arsenopyrite With Quartz

Description Tabs

Description
Locality: 
Panasqueira Mines, Covilhã, Castelo Branco District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 6.5 × 5.5 cm
Weight: 
372.00gr
Description

Very nice and aesthetic shiny Arsenopyrite crystals up to 50 mm with Quartz crystals up to 30 mm

Mineral Data
What's on the rock

Arsenopyrite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White