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Alumino Adamite & Calcite

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PFK605516

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: 
Cabinet (10-18 cm)
Size: 
11.2 × 6.2 × 4.4 cm
Description

Beautiful, sea-blue crystals of adamite on contrasting whitish/marble matrix. Calcite crystals are also present. I was told that this is alumino adamite and this complies with the matrix and coloration in comparison to older alumino adamite but it has not been analyzed so please bid for the fine color and quality of the adamite, not for the Al composition.

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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