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Gypsum & Sulphur

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PDM669431

Gypsum & Sulphur

Gem Crystal

Description Tabs

Description
Locality: 
Gallitano Mine, Mazzarino, Caltanissetta Province, Sicily, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
14.5 × 6.5 × 3.7 cm
Description

Big interesting and uncommon locality specimen of transparent selenite gypsum on yellow crystals of sulphur. The selenite crystals are twinned and some are cleaved.

The given locality is: Gallitano Mine, Canicatti, Sicily.

Acquired by Gerard Vogel in 1977.

Mineral Data
What's on the rock

Gypsum

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

Sulphur

Formula: 
S8
Strunz: 
1.CC.05
Crystal System: 
Orthorhombic
Hardness: 
1.5 - 2.5

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