Bornite and Pyrite Marcasite Physical Properties

Bornite

Pyrite Marcasite

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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

5.06-5.084.9-5.2

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

Poor on [111].

None

1.7 Mohs Hardness

3-3.256-6.5

2 10

1.8 Chemical Composition

Cu5FeS4

Not Available

Bornite and Pyrite Marcasite Chemical Formula

While comparing Bornite and Pyrite Marcasite 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 Pyrite Marcasite chemical formula.

Chemical formula of Bornite- Cu5FeS4

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Bornite and Pyrite Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Pyrite Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Pyrite Marcasite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 4.9-5.2 whereas that of Pyrite Marcasite is 4.9-5.2.