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Grandidierite and Charoite Physical Properties


Charoite 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   
2.54-2.78   

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

Cleavage
Perfect   
Good in three directions   

Mohs Hardness
7.5   
5-6   

Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Grandidierite and Charoite Chemical Formula

While comparing Grandidierite and Charoite 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 Charoite chemical formula.

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Grandidierite and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Charoite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.54-2.78 whereas that of Charoite is 2.54-2.78.

Green Gemstones

Green Gemstones


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