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Alumino Adamite & Calcite

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PFK607372

Alumino Adamite & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Hilarion Mine, Hilarion, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Museum (18cm plus)
Size: 
21.2 × 14 × 4.6 cm
Description

A large plate of marble with dozens of gemmy & lustrous, blue crystals of adamite. There is good contrasting with the whitish base! I was told that this is alumino adamite but I have not analyzed. Please do not bid for the Al-content but for the fine blue color and rich big specimen that this is! Please also check the shipping charges before bidding.

Mineral Data
What's on the rock

Alumino Adamite

Variety Of: 

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Hardness: 
3.5
Formula: 
(Zn,Al)2AsO4(OH)
Hardness: 
0.0

Calcite

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

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