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Polyhalite
Polyhalite

Chrysoberyl
Chrysoberyl



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Polyhalite
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Chrysoberyl

Polyhalite and Chrysoberyl Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.783.69-3.81
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Cleavage

Perfect on {10 1 }; parting on {010}
Distinct on {110}, imperfect on {010}, poor on {001}

Mohs Hardness

3.58.5
2 10
👆🏻

Chemical Composition

K2Ca2Mg(SO4)4·2H2O
BeAl 2 O 4

Polyhalite and Chrysoberyl Chemical Formula

While comparing Polyhalite and Chrysoberyl 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 Chrysoberyl chemical formula.

  • Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
  • Chemical formula of Chrysoberyl- BeAl 2 O 4

Polyhalite and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.