Bornite and Carnallite Physical Properties

Bornite

Carnallite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.06-5.08

1.6

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Violet, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Poor on [111].

None

1.7 Mohs Hardness

3-3.25

2.5

1.8 Chemical Composition

Cu5FeS4

KMgCl3•6(H2O)

Bornite and Carnallite Chemical Formula

While comparing Bornite and Carnallite 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 Carnallite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Carnallite- KMgCl3•6(H2O)

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Bornite and Carnallite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 1.6 whereas that of Carnallite is 1.6.