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Azurite Psm Gypsum

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KSC204715

Azurite Psm Gypsum

Description Tabs

Description
Locality: 
Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 3 cm
Description

This is a very rare pseudo from the famous mine, intense blue azurite micro crystals replacing gypsum crusts which had replaced calcite crystals. There is no trace of calcite crystals left, but from other pieces from the same small find, there is high possibility that the original species was calcite. No damage.

Mineral Data
What's on the rock

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Gypsum

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

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