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Adamite & Calcite

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PFK622649

Adamite & Calcite

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Description
Locality: 
Christiana Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 3.3 × 3.3 cm
Largest Crystal: 
1.30cm
Description

This is not your typical Lavrion adamite. It hosts an enormous for the locality aggregate of highly lustrous, gemmy crystals of adamite. The material has been analyzed and shows no impurities so the color is a pale green.The crystal size is very important as Lavrion adamites usually have crystals no more than 1-3mm long and what we have here is crystals to 1cm forming a large aggregate!

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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