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Bornite
Bornite

Cryolite
Cryolite



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Bornite
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Bornite and Cryolite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.06-5.08
2.97
1.5 Fracture
Uneven, Subconchoidal, Conchoidal, Brittle
Uneven
1.6 Cleavage
Poor on [111].
None observed
1.7 Mohs Hardness
3-3.25
2.5
1.8 Chemical Composition
Cu5FeS4
Na 3AlF 6Ulrich Henn and Claudio C.

Bornite and Cryolite Chemical Formula

While comparing Bornite and Cryolite 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 Cryolite chemical formula.

  • Chemical formula of Bornite- Cu5FeS4
  • Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

Bornite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 2.97 whereas that of Cryolite is 2.97.