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Grandidierite and Brucite Physical Properties


Brucite and Grandidierite Physical Properties


Physical Properties

Tenacity
Not Available   
Sectile   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.00   
2.39   

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

Cleavage
Perfect   
Perfect on {0001}   

Mohs Hardness
7.5   
2.5   

Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Grandidierite and Brucite Chemical Formula

While comparing Grandidierite and Brucite 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 Brucite chemical formula.

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Grandidierite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.39 whereas that of Brucite is 2.39.

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Green Gemstones


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