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Phosgenite
Phosgenite

Biotite
Biotite



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Phosgenite
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Biotite

Phosgenite and Biotite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Sectile
Soluble
-
6.13
Conchoidal
Distinct on {001} and {110}, indistinct on {100}
2-3
Pb 2(CO 3)Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Phosgenite and Biotite Chemical Formula

While comparing Phosgenite 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 Phosgenite and Biotite chemical formula.

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Phosgenite and Biotite Specific Gravity

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