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Picropharmacolite & Erythrite

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ESM721886

Picropharmacolite & Erythrite

Description Tabs

Description
Locality: 
Sophia Mine, Wittichen, Black Forest, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.2 × 3.8 × 3.2 cm
Description

Tufts of white picropharmacolite needles with pink erythrite crystals on matrix

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

Erythrite

Formula: 
Co3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.5 - 2.5
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany