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Biotite
Biotite

Serendibite
Serendibite



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Biotite
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Serendibite

Biotite and Serendibite Physical Properties

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
 
-
-
-
3.43-3.44
-
None Observed
6.5-7
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Biotite and Serendibite Chemical Formula

While comparing Biotite and Serendibite 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 Serendibite chemical formula.

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Biotite and Serendibite Specific Gravity

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