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Realgar
Realgar

Biotite
Biotite



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Realgar
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Biotite

Realgar and Biotite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.56
-
{010} Good
-9999
AsSMichael 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

Realgar and Biotite Chemical Formula

While comparing Realgar 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 Realgar and Biotite chemical formula.

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Realgar and Biotite Specific Gravity

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