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Arsenopyrite Quartz & Siderite

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ESM538296

Arsenopyrite Quartz & Siderite

Description Tabs

Description
Locality: 
Freiberg, Mittelsachsen, Saxony, Germany
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 2 × 1.7 cm
Description

Nice cluster of lustrous brassy arsenopyrite with minor quartz crystals and siderite

 

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White