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Arsenopyrite Pyrite & Quartz

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ESM829461

Arsenopyrite Pyrite & Quartz

Description Tabs

Description
Locality: 
Hidalgo del Parral, Hidalgo del Parral Municipality, Chihuahua, Mexico
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 3 cm
Description

A floater of sharp metallic brassy arsenopyryte crystals hosting a clustzer of golden pyrite crystals and minor quartz crystals

Mineral Data
What's on the rock

Arsenopyrite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Quartz

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