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Polyhalite
Polyhalite

Bronzite
Bronzite



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Polyhalite
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Bronzite

Polyhalite and Bronzite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.783.35
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

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

Mohs Hardness

3.55.5
2 10
👆🏻

Chemical Composition

K2Ca2Mg(SO4)4·2H2O
(Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.

Polyhalite and Bronzite Chemical Formula

While comparing Polyhalite and Bronzite 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 Bronzite chemical formula.

  • Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O
  • Chemical formula of Bronzite- (Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.

Polyhalite and Bronzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Bronzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Bronzite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.35 whereas that of Bronzite is 3.35.