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Thomsonite
Thomsonite

Polyhalite
Polyhalite



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Thomsonite
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Polyhalite

Thomsonite and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.25-2.40
-
perfect on {010}; good on {100}
5-5.5
NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Thomsonite and Polyhalite Chemical Formula

While comparing Thomsonite 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 Thomsonite and Polyhalite chemical formula.

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Thomsonite and Polyhalite Specific Gravity

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