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Bornite
Bornite

Sylvite
Sylvite



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Bornite
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Sylvite

Bornite and Sylvite Physical Properties

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Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

5.06-5.081.993
1 7.18
👆🏻

Fracture

Uneven, Subconchoidal, Conchoidal
Uneven

Cleavage

Poor on [111].
Perfect on [100], [010], [001]

Mohs Hardness

3-3.252.5
2 10
👆🏻

Chemical Composition

Cu5FeS4
KCl

Bornite and Sylvite Chemical Formula

While comparing Bornite and Sylvite 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 Bornite and Sylvite chemical formula.

  • Chemical formula of Bornite- Cu5FeS4
  • Chemical formula of Sylvite- KCl

Bornite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 1.993 whereas that of Sylvite is 1.993.