Bornite and Hematite Physical Properties

Bornite

Hematite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.06-5.085.00-5.30

1 7.18

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Fracture

Uneven, Subconchoidal, Conchoidal

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Poor on [111].

None, may show partings on {0001} and {10 1 1}

Mohs Hardness

3-3.256

2 10

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Chemical Composition

Cu5FeS4

Fe 2O 3Arthur Thomas , Gemstones (2009)

Bornite and Hematite Chemical Formula

While comparing Bornite and Hematite 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 Hematite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Bornite Vs Jacinth

Bornite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.