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Melanophlogite & Native Sulphur

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SKY211174

Melanophlogite & Native Sulphur

Type locality (Fleischer source)
Rare Mineral

Description Tabs

Description
Locality: 
Racalmuto Sulphur Mines, Racalmuto, Agrigento Province, Sicily, Italy
Size Range: 
Micromount (under 1cm)
Size: 
0.9 × 0.8 × 0.6 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). 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

Sulphur

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

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