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Moldavite
Moldavite

Polyhalite
Polyhalite



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Moldavite
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Polyhalite

Moldavite and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.32-2.38
ConchoidalWalter Schumann
None
5.5
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Moldavite and Polyhalite Chemical Formula

While comparing Moldavite and Polyhalite 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 Moldavite and Polyhalite chemical formula.

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Moldavite and Polyhalite Specific Gravity

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