Azurite and Chromite Physical Properties

Azurite

Chromite

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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

3.70-3.904.5-4.8

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

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

None, parting may develop along {111}

1.7 Mohs Hardness

3.5-45.5

2 10

1.8 Chemical Composition

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

Fe++Cr2O4

Azurite and Chromite Chemical Formula

While comparing Azurite and Chromite 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 Azurite and Chromite chemical formula.

Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chromite- Fe++Cr2O4

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Azurite and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Azurite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.