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Polyhalite
Polyhalite

Prase Opal
Prase Opal



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Polyhalite
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Prase Opal

Polyhalite and Prase Opal 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
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Polyhalite and Prase Opal Chemical Formula

While comparing Polyhalite and Prase Opal 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 Prase Opal chemical formula.

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Polyhalite and Prase Opal Specific Gravity

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