Bornite and Phenakite Physical Properties

Bornite

Phenakite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.06-5.082.90-2.98

1 7.18

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Fracture

Uneven, Subconchoidal, Conchoidal

Conchoidal, ConchoidalWalter Schumann

Cleavage

Poor on [111].

Distinct on {11 2 0}, imperfect on {10 1 1}

Mohs Hardness

3-3.257.5-8

2 10

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Chemical Composition

Cu5FeS4

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Bornite and Phenakite Chemical Formula

While comparing Bornite and Phenakite 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 Phenakite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bornite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.