Pyrite Marcasite and Bornite Physical Properties

Pyrite Marcasite

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

4.9-5.25.06-5.08

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

None

Poor on [111].

1.7 Mohs Hardness

6-6.53-3.25

2 10

1.8 Chemical Composition

Not Available

Cu5FeS4

Pyrite Marcasite and Bornite Chemical Formula

While comparing Pyrite Marcasite 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 Pyrite Marcasite and Bornite chemical formula.

Chemical formula of Bornite- Cu5FeS4

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Pyrite Marcasite and Bornite Specific Gravity

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