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Gypsum

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AST544043

Gypsum

Description Tabs

Description
Locality: 
Kamariza Mines, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 8 × 4.5 cm
Description

Very fine robust and sharp transparent gypsum crystals on limonite matrix. Specimen is old (more than 30 years) and comes from a prinate Lavrion collection.

Mineral Data
What's on the rock

Gypsum

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

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