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Crocoite
Crocoite

Biotite
Biotite



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Crocoite
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Biotite

Crocoite and Biotite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
5.90-6.10
Conchoidal
{110} Distinct, {001} Indistinct, {100} Indistinct
2.5-3
PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Crocoite and Biotite Chemical Formula

While comparing Crocoite 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 Crocoite and Biotite chemical formula.

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Crocoite and Biotite Specific Gravity

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