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Sainfeldite

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CR825536

Sainfeldite

Rare Mineral

Description Tabs

Description
Locality: 
Bauhaus, Nentershausen, Hersfeld-Rotenburg, Kassel Region, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 5 × 3.5 cm
Description

This is a beautiful and very rich specimen of the rare mineral sainfeldite from a very old mine in Germany.

Glassy pink microcrystals of sainfeldite with silky white picropharmacolite sprays and pale rose erythrite sprays on matrix.

Collected 1979

 

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