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Zoisite
Zoisite

Biotite
Biotite



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Zoisite
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Biotite

Zoisite and Biotite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.20-3.50
Uneven, Conchoidal, Even
Perfect {010} imperfect {100}
6-7
Ca2Al3(SiO4)3(OH)
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Zoisite and Biotite Chemical Formula

While comparing Zoisite 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 Zoisite and Biotite chemical formula.

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Zoisite and Biotite Specific Gravity

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