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Biotite
Biotite

Sunstone
Sunstone



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Biotite
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Sunstone

Biotite and Sunstone 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
 
-
-
-
2.62-2.65
-
001
6
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8

Biotite and Sunstone Chemical Formula

While comparing Biotite and Sunstone 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 Sunstone chemical formula.

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Biotite and Sunstone Specific Gravity

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