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Picropharmacolite & Realgar On Calcite

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SHS56995

Picropharmacolite & Realgar On Calcite

Description Tabs

Description
Locality: 
Jiepaiyu Mine, Shimen, Shimen County, Changde, Hunan Province, China (Peoples Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 6 × 6.4 cm
Description

A specimen of picropharmacolite crystals, red realgar crystals on calcite crystals

Mineral Data
What's on the rock

Picropharmacolite

Formula: 
Ca4Mg(AsO4)2(HAsO4)2·11H2O
Strunz: 
8.CH.15
Crystal System: 
Monoclinic Needles and encrustations
Hardness: 
1.0 - 2.0
Streak: 
White
Type Locality: 
Ore dumps, Richelsdorf Smelter, Süss, Richelsdorf District, Hesse, Germany

Realgar

Formula: 
As4S4
Strunz: 
2.FA.15a
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White