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Polyhalite
Polyhalite

Rhodizite
Rhodizite



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Polyhalite
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Rhodizite

Polyhalite and Rhodizite 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
 
-
-
-
3.34-3.44
Conchoidal
{111} Indistinct, {111} Indistinct, {111} Indistinct
8-8.5
(K,Cs)Al 4Be 4(B,Be) 12O 28Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Polyhalite and Rhodizite Chemical Formula

While comparing Polyhalite and Rhodizite 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 Rhodizite chemical formula.

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Polyhalite and Rhodizite Specific Gravity

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