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Biotite
Biotite

Serpentine
Serpentine



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Biotite
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Serpentine

Biotite and Serpentine 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
 
-
-
-
2.44-2.62
Uneven
Indiscernible
2.5-5.5
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

Biotite and Serpentine Chemical Formula

While comparing Biotite and Serpentine 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 Serpentine chemical formula.

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Biotite and Serpentine Specific Gravity

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