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Melanophlogite Aragonite & Sulphur

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SER1125588

Melanophlogite Aragonite & Sulphur

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Racalmuto Sulphur Mines, Racalmuto, Agrigento Province, Sicily, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 6.1 × 4.1 cm
Description

a large vug filled with hundreds of white clusters of melanophlogite crystals , white tiny aragonite and yellow sulphur ; this melanophlogite is very rare in such dimension

Mineral Data
What's on the rock

Melanophlogite

Formula: 
46SiO2·6(N2,CO2)·2(CH4,N2)
Strunz: 
4.DA.25
Crystal System: 
Tetragonal
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Giona Mine, Milena, Caltanissetta Province, Sicily, Italy

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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40
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Start 01 Jul 18:00
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