Helenite and Bornite Physical Properties

Helenite

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

Not Available5.06-5.08

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Not Available

Poor on [111].

1.7 Mohs Hardness

Not Available3-3.25

2 10

1.8 Chemical Composition

Not Available

Cu5FeS4

Helenite and Bornite Chemical Formula

While comparing Helenite 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 Helenite and Bornite chemical formula.

Chemical formula of Bornite- Cu5FeS4

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Helenite and Bornite Specific Gravity

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