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Picropharmacolite

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CR502578

Picropharmacolite

Rare Mineral

Description Tabs

Description
Locality: 
Wilhelm Mine, Nentershausen, Kassel Region, Hesse, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.7 × 3.5 cm
Description

Beautiful white to pale pink hedgehogs of picropharmacolite on a bed of pink erythrite microcrystals.

With minor white pharmacolite crystals.

Collected in the early 1980s

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