Kornerupine and Bornite Physical Properties

Kornerupine

Bornite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.455.06-5.08

1 7.18

1.5 Fracture

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

Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Good on {110}

Poor on [111].

1.7 Mohs Hardness

6.53-3.25

2 10

1.8 Chemical Composition

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

Cu5FeS4

Kornerupine and Bornite Chemical Formula

While comparing Kornerupine and Bornite 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 Kornerupine and Bornite chemical formula.

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

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Kornerupine and Bornite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Bornite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Bornite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 5.06-5.08 whereas that of Bornite is 5.06-5.08.