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Picropharmacolite On Calcite

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SHS753810

Picropharmacolite On Calcite

Description Tabs

Description
Locality: 
Jiepaiyu Mine, Shimen, Shimen County, Changde, Hunan Province, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 0.8 × 1.3 cm
Description

Nice picropharmacolite on calcite with some realgar

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

Calcite

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