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Biotite
Biotite

Andradite Garnet
Andradite Garnet



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Biotite
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Andradite Garnet

Biotite and Andradite Garnet 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
 
-
-
-
3.8-3.9
-
None
6.5-7.5
Ca3Fe3+2Si3O12

Biotite and Andradite Garnet Chemical Formula

While comparing Biotite and Andradite Garnet 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 Andradite Garnet chemical formula.

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Biotite and Andradite Garnet Specific Gravity

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