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Sainfeldite & Guérinite

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JYJ670409

Sainfeldite & Guérinite

Description Tabs

Description
Locality: 
Richelsdorf District, Wildeck, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.8 × 2.3 cm
Description

Intense pink sainfieldite with colourless guerinite and fibrous pikropharmakolite. 

Mineral Data
What's on the rock

Sainfeldite

Formula: 
CaCa2Ca2(AsO4)2(HAsO4)2·4H2O
Strunz: 
8.CB.10
Crystal System: 
Monoclinic
Hardness: 
4.0
Streak: 
White
Type Locality: 
Gabe Gottes Mine (incl. Giftgrube), Neuenberg, Ste Marie-aux-Mines (Markirch), Haut-Rhin, Alsace, France

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