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Grandidierite and Pyroxmangite Physical Properties


Pyroxmangite and Grandidierite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.00   
3.76-3.77   

Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   

Cleavage
Perfect   
{110} Perfect, {110} Perfect   

Mohs Hardness
7.5   
5-6   

Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   
(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.   

Optical Properties >>
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Grandidierite and Pyroxmangite Chemical Formula

While comparing Grandidierite and Pyroxmangite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Grandidierite and Pyroxmangite chemical formula.

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Grandidierite and Pyroxmangite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Pyroxmangite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Pyroxmangite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.76-3.77 whereas that of Pyroxmangite is 3.76-3.77.

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