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Sainfeldite

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HEF1166372

Description Tabs

Description
Locality: 
Wilhelm Mine, Nentershausen, Kassel Region, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.6 × 1.1 cm
Description

DieSainfeldite is a rare arsenate mineral from the hureaulite group, first described in 1964. It occurs as spheroidal, radiating aggregates or rosettes of tiny, needle-like to plate-like crystals of a pink color, together with weilite and pharmkolite. The airtight sealing of this sample is for the accompanying mineral weilite, so that it does not transform.
 

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

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Postage Area Price
Germany : Insured parcel < 2000g 6 €
6
Germany : Insured parcel > 2000g 9 €
9
International <500g 10 €
10
International > 500g < 1000g 18€
18
USA 12€
12
Worldwide < 5000g insured parcel 50€
50

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