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Adamite Psm Goethite Psm Gypsum

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BMM1046462

Adamite Psm Goethite Psm Gypsum

Description Tabs

Description
Locality: 
Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 1.9 × 1.6 cm
Description

Dark green and gemmy adamite microcrystals aggregated and covering all around a pseudomorph of goethite after a cluster of gypsum, from the classic locality. The piece is relatively large and beautiful to look at from all sides. Crystallized all around, only the bottom was on the rock.

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

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Current price

Starting price

10
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Start 11 May 18:00
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Shipping Information

Postage Area Price
Austria
5
EU
18
Rest of Europe
20
USA, Canada, Japan, 1 kg
25
Australia, New Zealand, 1 kg
30

Bid History

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