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Biotite and Chrysoprase Physical Properties


Chrysoprase and Biotite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.7-3.3   
2.58-2.64   

Fracture
Uneven, Even, Yellow, White   
Gems, Sixth Edition (2006)   

Cleavage
Perfect on the {001}   
None   

Mohs Hardness
2.5-3.0   
6.5-7   

Chemical Composition
K(Mg,Fe++)3[AlSi3O10(OH,F)2   
SiO2 (with a high level of nickel impurities )   

Optical Properties >>
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Biotite and Chrysoprase Chemical Formula

While comparing Biotite and Chrysoprase 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 Biotite and Chrysoprase chemical formula.

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Biotite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Biotite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.

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Yellow Gemstones


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