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Bornite
Bornite

Sinhalite
Sinhalite



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Bornite
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Sinhalite

Bornite and Sinhalite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

5.06-5.083.46-3.50
1 7.18
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Fracture

Uneven, Subconchoidal, Conchoidal
Conchoidal

Cleavage

Poor on [111].
Perfect

Mohs Hardness

3-3.256-7
2 10
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Chemical Composition

Cu5FeS4
MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Bornite and Sinhalite Chemical Formula

While comparing Bornite and Sinhalite 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 Sinhalite chemical formula.

  • Chemical formula of Bornite- Cu5FeS4
  • Chemical formula of Sinhalite- MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Bornite and Sinhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Sinhalite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 3.46-3.50 whereas that of Sinhalite is 3.46-3.50.