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Gypsum

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MCP724402

Gypsum

Description Tabs

Description
Locality: 
Roccastrada, Grosseto Province, Tuscany, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.2 × 5.6 × 2 cm
Largest Crystal: 
2.20cm
Description

A very aesthetic cluster of white to brownish, flat, prismatic gypsum crystals up to 22 mm tall with no matrix from Tuscany, Italy. A nice, hedgehog-like crystal cluster, showing only minor imperfections. 

Mineral Data
What's on the rock

Gypsum

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

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