Bornite and Allanite Physical Properties

Bornite

Allanite

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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

5.06-5.083.40-4.20

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

Poor on [111].

Not Available

1.7 Mohs Hardness

3-3.25Not Available

2 10

1.8 Chemical Composition

Cu5FeS4

Not Available

Bornite and Allanite Chemical Formula

While comparing Bornite and Allanite 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 Allanite chemical formula.

Chemical formula of Bornite- Cu5FeS4

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Bornite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.