Bornite and Nuummite Physical Properties

Bornite

Nuummite

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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

5.06-5.083.18-3.37

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Conchoidal

1.6 Cleavage

Poor on [111].

Perfect on 210

1.7 Mohs Hardness

3-3.255.5-6

2 10

1.8 Chemical Composition

Cu5FeS4

Not Available

Bornite and Nuummite Chemical Formula

While comparing Bornite and Nuummite 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 Nuummite chemical formula.

Chemical formula of Bornite- Cu5FeS4

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Bornite and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.