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Calcite Psm Aragonite On Native Sulphur

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CLB631224

Calcite Psm Aragonite On Native Sulphur

Pseudomorph

Description Tabs

Description
Locality: 
Cianciana Mines, Cianciana, Agrigento Province, Sicily, Italy
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
11.2 × 10.3 × 4.3 cm
Weight: 
514.00gr
Description

Very unusual and rare specimen. Small white calcite crystals have replaced skeletal aragonite crystals. All on a base of yellow sulphur.

Nice fluorescence.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

Sulphur

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

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