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Talmessite & Aragonite

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Talmessite & Aragonite

Description Tabs

Description
Locality: 
Aghbar Mine, Aghbar, Zagora Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.2 × 2.6 cm
Description

light green talmessite with white sprays of aragonite

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

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain