Bornite and Chlorastrolite Physical Properties

Bornite

Chlorastrolite

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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

5.06-5.08

3.1-3.5

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Granular

1.6 Cleavage

Poor on [111].

Not Available

1.7 Mohs Hardness

3-3.25

5-6

1.8 Chemical Composition

Cu5FeS4

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Bornite and Chlorastrolite Chemical Formula

While comparing Bornite and Chlorastrolite 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 Chlorastrolite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

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Bornite and Chlorastrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Chlorastrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Chlorastrolite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 3.1-3.5 whereas that of Chlorastrolite is 3.1-3.5.