Bornite and Kornerupine Physical Properties

Bornite

Kornerupine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.06-5.083.25-3.45

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Poor on [111].

Good on {110}

1.7 Mohs Hardness

3-3.256.5

2 10

1.8 Chemical Composition

Cu5FeS4

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Bornite and Kornerupine Chemical Formula

While comparing Bornite and Kornerupine 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 Kornerupine chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Bornite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Bornite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.