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Mineralpedia Details for Marialite

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Marialite

Marialite

Formula
(Na,Ca)4(Si,Al)12O24(Cl,CO3,SO4
Crystal System
Tetragonal 
Cleavage
Distinct, Distinct, None 
Luster
Vitreous - Pearly 
Color
bluish, brownish, colorless, violet, greenish 
Streak
white 
Class
Tetragonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
5.5-6 
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Marialite from Dara-i-Pech, Chapa Dara dist., Kunar Province, Afghanistan

Marialite
            from Dara-i-Pech, Chapa Dara dist., Kunar Province, Afghanistan

Grape colored short, terminated crystal with nice striations. Nice specimen with good color. 

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Marialite from Morogoro, Uluguru Mts, Morogoro Region, Tanzania

Marialite
            from Morogoro, Uluguru Mts, Morogoro Region, Tanzania

Gemmy honey yellow and terminated crystal.

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