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Talmessite

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CR41452

Talmessite

Rare Mineral

Description Tabs

Description
Locality: 
Bou Azzer Mine, Amerzgane, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 6 cm
Description

This is a very good talmessite specimen from Morocco.

Deep red to pale pink crystals of the very rare arsenate talmessite with minor calcite in several vugs.

PXRD analysed specimen

Mineral Data
What's on the rock

Talmessite

Formula: 
Ca2Mg(AsO4)2·2H2O
Strunz: 
8.CG.05
Crystal System: 
Triclinic
Hardness: 
5.0
Type Locality: 
Talmessi Mine (Talmesi Mine; Telmessi Mine; Telmesi Mine), Anarak District, Nain County (Nayin County), Esfahan Province (Isfahan Province; Aspadana Province), Iran