Bornite and Anorthite Physical Properties

Bornite

Anorthite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.06-5.08

2.77

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Poor on [111].

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

3-3.25

6-6.5

1.8 Chemical Composition

Cu5FeS4

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Bornite and Anorthite Chemical Formula

While comparing Bornite and Anorthite 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 Anorthite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Bornite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 2.77 whereas that of Anorthite is 2.77.