Bornite and Iolite Physical Properties

Bornite

Iolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.4 Durability

Not Available

1.5 Specific Gravity

5.06-5.082.6-2.7

1 7.18

1.6 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Not Available

1.7 Cleavage

Poor on [111].

3,1

1.8 Mohs Hardness

3-3.257-7.5

2 10

1.9 Chemical Composition

Cu5FeS4

Mg₂Al₄Si₅O₁₈

Bornite and Iolite Chemical Formula

While comparing Bornite and Iolite 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 Iolite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Bornite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.