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Biotite
Biotite

Lawsonite
Lawsonite



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Biotite
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Lawsonite

Biotite and Lawsonite 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
 
Brittle
-
-
3.09
Uneven
Perfect on {100} and {010}, imperfect on {101}
8
CaAl2Si2O7(OH)2.H2O

Biotite and Lawsonite Chemical Formula

While comparing Biotite and Lawsonite 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 Lawsonite chemical formula.

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Biotite and Lawsonite Specific Gravity

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