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Biotite
Biotite

Ammolite
Ammolite



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Biotite
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Ammolite

Biotite and Ammolite Physical Properties

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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
 
-
-
-
2.75-2.80
Uneven, Granular
no true cleavage
4
CaCO3

Biotite and Ammolite Chemical Formula

While comparing Biotite and Ammolite 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 Ammolite chemical formula.

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Biotite and Ammolite Specific Gravity

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