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Melanophlogite

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CR908664

Melanophlogite

Rare Mineral

Description Tabs

Description
Locality: 
Giono Mine, Racalmuto, Agrigento Province, Sicily, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2 cm
Description

Very rich specimen of pale brown melanophlogite crystals in vugs of the sulfur-rich matrix.

Very good old time specimen.

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