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Hyalite
Hyalite

Polyhalite
Polyhalite



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Hyalite
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Polyhalite

Hyalite and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Hyalite and Polyhalite Chemical Formula

While comparing Hyalite 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 Hyalite and Polyhalite chemical formula.

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Hyalite and Polyhalite Specific Gravity

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