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Arsenopyrite With Quartz Siderite & Calcite

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MBM815363

Arsenopyrite With Quartz Siderite & Calcite

From an old collection of a doctor in chemistry from 1900-1930
Classic Locality

Description Tabs

Description
Locality: 
Freiberg, Mittelsachsen, Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5 × 3 cm
Largest Crystal: 
1.90cm
Description

A classic and excellent old combination Freiberg specimen of sharp, lustrous, brassy arsenopyrite crystals, aesthetically accented with slender quartz crystal sprays and brown calcite - siderite rhombs.

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White
Labels
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Seller Shipment Germany 6,00 EUR  Europe 9,00 EUR Worldwide shipment 12,00 EUR