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Talmessite Erythrite & Calcite

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SER707851

Talmessite Erythrite & Calcite

Description Tabs

Description
Locality: 
Oumlil Mine, Oumlil, Zagora Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6 × 5.1 cm
Description

pink lustrous talmessite crystals with tiny red magenta tufts of erytrhite and pink cobalto calcite

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

Erythrite

Formula: 
Co3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.5 - 2.5
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White