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Grandidierite and Gyrolite Physical Properties


Gyrolite and Grandidierite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.00   
2.48   

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

Cleavage
Perfect   
Perfect on {001}   

Mohs Hardness
7.5   
2   

Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   
NaCa16Si23AlO60(OH)8•64(H2O)   

Optical Properties >>
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Grandidierite and Gyrolite Chemical Formula

While comparing Grandidierite and Gyrolite 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 Gyrolite chemical formula.

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Grandidierite and Gyrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Gyrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Gyrolite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.48 whereas that of Gyrolite is 2.48.

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Green Gemstones


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