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Erythrite Asbolane & Talmessite

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AST624515

Erythrite Asbolane & Talmessite

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Description Tabs

Description
Locality: 
Plaka Mines, Plaka, Lavrion District, Attiki Prefecture, Greece
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.2 × 7 × 1.2 cm
Description

Fine combination of these rare for Lavrion minerals.Interesting for a systematic collection and very nice under magnification.Minerals present as microcrystals.Analysis was done on similar specimen from the same find.

Mineral Data
What's on the rock

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

Asbolane

Formula: 
(Ni,Co)2-xMn4+(O,OH)4·nH2O
Strunz: 
4.FL.30
Crystal System: 
Hexagonal
Hardness: 
0.0

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

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