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Picropharmacolite Rösslerite & Pharmacolite

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Picropharmacolite Rösslerite & Pharmacolite

Classic Locality

Description Tabs

Description
Locality: 
Adam Heber Mine, Schneeberg, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
6 × 12 × 3.5 cm
Description

On calcite and Co-Ni-arsenide as well as native bismuth matrix perch small bubbles of pink erythrite with sprays of pharmacolite, rösslerite and picropharmacolite. A recent find from a classic locality.

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

Rösslerite

Formula: 
Mg(HAsO4)·7H2O
Strunz: 
8.CE.20
Crystal System: 
Monoclinic Fibrous crusts
Hardness: 
2.0 - 3.0
Streak: 
White
Type Locality: 
"Im Lochborn" Copper mine, Bieber, Gelnhausen, Spessart, Hesse, Germany...

Pharmacolite

Formula: 
Ca(HAsO4)·2H2O
Strunz: 
8.CJ.50
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Sophia Mine, Böckelsbach valley, Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany

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SWIFT/BIC-Code: WELADED1FGX

IBAN: DE49 870520004111076110

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