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Sunstone
Sunstone

Biotite
Biotite



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Sunstone
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Biotite

Sunstone and Biotite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.62-2.65
-
001
6
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Sunstone and Biotite Chemical Formula

While comparing Sunstone and Biotite 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 Sunstone and Biotite chemical formula.

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Sunstone and Biotite Specific Gravity

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