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Polyhalite
Polyhalite

Girasol
Girasol



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Polyhalite
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Girasol

Polyhalite and Girasol 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
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Polyhalite and Girasol Chemical Formula

While comparing Polyhalite and Girasol 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 Girasol chemical formula.

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Polyhalite and Girasol Specific Gravity

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