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Polyhalite
Polyhalite

Muscovite
Muscovite



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Polyhalite
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Muscovite

Polyhalite and Muscovite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O
 
Elastic
-
-
2.78-2.88
-
Perfect on the {001}
2-3
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Polyhalite and Muscovite Chemical Formula

While comparing Polyhalite and Muscovite 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 Polyhalite and Muscovite chemical formula.

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Polyhalite and Muscovite Specific Gravity

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