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Plumbogummite
Plumbogummite

Biotite
Biotite



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Plumbogummite
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Biotite

Plumbogummite and Biotite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
4.014
Uneven, Conchoidal
None
4-5
PbAl3(PO4)(SO4)(OH)6
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Plumbogummite and Biotite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Biotite chemical formula.

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Plumbogummite and Biotite Specific Gravity

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