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Polyhalite
Polyhalite

Chrysocolla
Chrysocolla



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Polyhalite
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Chrysocolla

Polyhalite and Chrysocolla Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.782.00-2.45
1 7.18
👆🏻

Fracture

Conchoidal
Sub-Conchoidal, Conchoidal

Cleavage

Perfect on {10 1 }; parting on {010}
none

Mohs Hardness

3.52-4
2 10
👆🏻

Chemical Composition

K2Ca2Mg(SO4)4·2H2O
Cu2H2Si2O5(OH)4

Polyhalite and Chrysocolla Chemical Formula

While comparing Polyhalite and Chrysocolla 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 Chrysocolla chemical formula.

  • Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
  • Chemical formula of Chrysocolla- Cu2H2Si2O5(OH)4

Polyhalite and Chrysocolla Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Chrysocolla Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Chrysocolla Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.00-2.45 whereas that of Chrysocolla is 2.00-2.45.