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Gypsum On Quartz

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TBM815974

Gypsum On Quartz

Classic Locality

Description Tabs

Description
Locality: 
Cape Calamita Mine, Capoliveri, Elba, Livorno Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 5 × 6 cm
Weight: 
149.00gr
Description

Old pieces with crystals up to 20 mm long.

Mineral Data
What's on the rock

Gypsum

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White