Bornite and Cordierite Physical Properties

Bornite

Cordierite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.06-5.08

2.57-2.66

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Poor on [111].

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

3-3.25

7-7.5

1.8 Chemical Composition

Cu5FeS4

Mg2Al4Si5O18

Bornite and Cordierite Chemical Formula

While comparing Bornite and Cordierite 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 Cordierite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Cordierite- Mg2Al4Si5O18

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Bornite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.