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Melanophlogite

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SKY221833

Melanophlogite

Type Locality

Description Tabs

Description
Locality: 
Racalmuto Sulphur Mines, Racalmuto, Agrigento Province, Sicily, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1 × 1 cm
Description

Nice combination of two colorful minerals : orange gemmy melanophlogite crystals on yellow native sulphur crystal. Melanophlogite is a mineral with an unusual composition: 46SiO2·6(N2,CO2)·2(CH4,N2), that is, a mixture of an inorganic compound and an organic compound. Very nice under the microscope !

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

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