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Wulfenite
Wulfenite

Biotite
Biotite



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Wulfenite
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Biotite

Wulfenite and Biotite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
6.50-7.00
Irregular, Conchoidal
On {011}, distinct; on {001}, {013}, indistinct
3
PbMoO 4Walter Schumann , Gemstones of the world (2001)
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Wulfenite and Biotite Chemical Formula

While comparing Wulfenite 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 Wulfenite and Biotite chemical formula.

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Wulfenite and Biotite Specific Gravity

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