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Smithsonite Psm Gypsum

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PFK781359

Smithsonite Psm Gypsum

Classic Locality

Description Tabs

Description
Locality: 
Jean Baptiste Mine, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.7 × 1.7 cm
Description

Lavrion is known for smithsonite pseudos after calcite but pseudos after gypsum are very rare. To have such a blue color is even more rare. The smithsonite replaced elongated. thin crystals of selenite and only the smithsonite is left now. From a small find with a very limited number of specimens.

Mineral Data
What's on the rock

Smithsonite

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

Gypsum

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

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