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Vladimirite Talmessite & Aragonite

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SER574403

Vladimirite Talmessite & Aragonite

Description Tabs

Description
Locality: 
Bou Azzer Mine, Amerzgane, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2 × 1.8 cm
Description

a cluster of the best vladimirite crystals ever found in Ait-Ahmane mine, Bou-Azzer district: colourless platy tufts on aragonite balls with light green talmessite; self collected on 2009

Mineral Data
What's on the rock

Vladimirite

Formula: 
Ca4(AsO4)2(AsO3OH)·4H2O
Strunz: 
8.CJ.25
Crystal System: 
Monoclinic
Hardness: 
3.5
Streak: 
White
Type Locality: 
Khovu-Aksy Ni-Co deposit, Tuva Republic, Eastern-Siberian Region, Russia

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