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Giorgiosite & Melanophlogite

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SHS187366

Giorgiosite & Melanophlogite

Description Tabs

Description
Locality: 
Nea Kammeni Island, Santorini Island, Thira, South Aegean, Greece
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.7 × 2.6 cm
Description

Giorgiosite and melanophlogite on matrix

Mineral Data
What's on the rock

Giorgiosite

Formula: 
Mg5(CO3)4(OH)2 · 5-6H2O
Strunz: 
5/E.01-30
Colour: 
White
Type Locality: 
Alphoessa lava flow, Nea Kammeni Island, Cyclade Islands, Kykládes Prefecture, Aegean Islands Department, Greece

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