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Adamite Hydrozincite Allophane & Smithsonite

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AST600062

Adamite Hydrozincite Allophane & Smithsonite

Description Tabs

Description
Locality: 
Christiana Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 4 × 2 cm
Description

Intense green adamite covering botryoidal aggregates of hydrozingite with allophane.Inside hydrozingite-allophane layer smithsonite of light blue rice shaped crystals are noticed (under small magnification) at specimen's side. Very interesting mineral combination that Lavrion is famous about.

Mineral Data
What's on the rock

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
white
Type Locality: 
Chañarcillo, Copiapó Province, Atacama Region, Chile

Hydrozincite

Formula: 
Zn5(CO3)2(OH)6
Strunz: 
5.BA.15
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Bad Bleiberg, Bleiberg District, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria

Allophane

Formula: 
(Al2O3)(SiO2)1.3-2·2.5-3H2O
Strunz: 
9.ED.20
Crystal System: 
Amorphous
Hardness: 
3.0
Streak: 
White
Type Locality: 
Gräfenthal, Thuringian Forest, Thuringia, Germany

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Streak: 
White

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