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Biotite
Biotite

Cymophane
Cymophane



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Biotite
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Cymophane

Biotite and Cymophane Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2
 
-
-
-
3.69-3.81
-
Perfect
8.5
BeAl 2O 4Arthur Thomas , Gemstones (2009)

Biotite and Cymophane Chemical Formula

While comparing Biotite and Cymophane 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 Cymophane chemical formula.

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Biotite and Cymophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite Vs Cymophane during the identification of gemstone. Specific gravity of Biotite is whereas that of Cymophane is .