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Mineralpedia Details for Magnesite

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Magnesite

Magnesite

Formula
MgCO3 
Crystal System
Trigonal 
Crystal Habit
Massive - Granular, Earthy, Massive - Fibrous 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, grayish white, yellowish white, brownish white 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
WebMineral
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Mindat
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Magnesite (ferroan) var. mesitine from Traversella mine, Canavese dist., Torino, Piedmont, Italy

Magnesite (ferroan) var. mesitine
            from Traversella mine, Canavese dist., Torino, Piedmont, Italy

Discoidal 1cm tan Magnestite crystals called "mesitine", an iron rich variety.

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