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Andradite Garnet
Andradite Garnet

Biotite
Biotite



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Andradite Garnet
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Biotite

Andradite Garnet and Biotite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.8-3.92.7-3.3
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, Even, Yellow, White
1.6 Cleavage
None
Perfect on the {001}
1.7 Mohs Hardness
6.5-7.52.5-3.0
Amber
2 10
1.8 Chemical Composition
Ca3Fe3+2Si3O12
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Andradite Garnet and Biotite Chemical Formula

While comparing Andradite Garnet 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 Andradite Garnet and Biotite chemical formula.

  • Chemical formula of Andradite Garnet- Ca3Fe3+2Si3O12
  • Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Andradite Garnet and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite Garnet and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite Garnet and Biotite Optical Properties during the identification of gemstone. Specific gravity of Andradite Garnet is 2.7-3.3 whereas that of Biotite is 2.7-3.3.