Bornite and Azurite Physical Properties

Bornite

Azurite

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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

3.70-3.90

1.5 Fracture

Uneven, Subconchoidal, Conchoidal, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Poor on [111].

Perfect on {011}, fair on {100}, poor on {110}

1.7 Mohs Hardness

3-3.25

3.5-4

1.8 Chemical Composition

Cu5FeS4

Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Bornite and Azurite Chemical Formula

While comparing Bornite and Azurite 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 Azurite chemical formula.

Chemical formula of Bornite- Cu5FeS4
Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bornite and Azurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Azurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite and Azurite Optical Properties during the identification of gemstone. Specific gravity of Bornite is 3.70-3.90 whereas that of Azurite is 3.70-3.90.