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Arsenocrandallite Conichalcite Psm Azurite & Olivenite

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PFK134514

Arsenocrandallite Conichalcite Psm Azurite & Olivenite

Classic Locality

Description Tabs

Description
Locality: 
Hilarion Mine, Hilarion, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.9 × 2.3 cm
Description

Excellent example of the ultra rare arsenocrandallite. The whole piece is actually a pseudomorph of conichalcite after azurite and there is olivenite associated, mainly as dark green spheres.

Mineral Data
What's on the rock

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

Conichalcite

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

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Olivenite

Formula: 
Cu2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

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