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Biotite
Biotite

Leucophanite
Leucophanite



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Biotite
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Leucophanite

Biotite and Leucophanite 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
 
-
-
-
-9999
-
{???} Good, {???} Good, {???} Distinct
-9999
(Na,Ca)2BeSi2(O,OH)7

Biotite and Leucophanite Chemical Formula

While comparing Biotite and Leucophanite 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 Leucophanite chemical formula.

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Biotite and Leucophanite Specific Gravity

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