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Picropharmacolite & Guérinite

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CR47700

Picropharmacolite & Guérinite

Rare Mineral

Description Tabs

Description
Locality: 
Bauhaus, Nentershausen, Hersfeld-Rotenburg, Kassel Region, Hesse, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3 × 1.5 cm
Description

Beautiful snowwhite spays of picropharmacolite with tabular, white guerinite and pink erythrite on matrix.

Very good specimen.

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

Guérinite

Formula: 
Ca5(AsO4)2(HAsO4)2·9H2O
Strunz: 
8.CJ.75
Crystal System: 
Monoclinic
Hardness: 
1.5
Colour: 
Colorless
Streak: 
White
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany