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Sanidine
Sanidine

Biotite
Biotite



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Sanidine
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Biotite

Sanidine and Biotite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.54-2.61
Uneven
{001} Perfect, {010} Good
6
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Sanidine and Biotite Chemical Formula

While comparing Sanidine 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 Sanidine and Biotite chemical formula.

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Sanidine and Biotite Specific Gravity

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