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Conichalcite & Arsenocrandallite

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AST578729

Conichalcite & Arsenocrandallite

Description Tabs

Description
Locality: 
Kamariza Mines, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.4 × 1.5 cm
Description

Intense green conichalcite aggregate with massive arsenocrandallite contrasting nicely at the center of the specimen.Specimen can be set and viewed both sides.From a famous find of such material done at Lavrion a few years ago in limited specimen number. Specific place is exausted and few specimens can be found only from private collections.

Mineral Data
What's on the rock

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Arsenocrandallite

Formula: 
CaAl3(AsO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
5.5
Streak: 
white
Type Locality: 
Neubulach, Calw, Black Forest, Baden-Württemberg, Germany

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