Covellite and Azurite Physical Properties

Covellite

Azurite

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1 Physical Properties

1.1 Tenacity

Flexible

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.763.70-3.90

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

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

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

Covellite and Azurite Chemical Formula

While comparing Covellite 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 Covellite and Azurite chemical formula.

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

Compare Blue Gemstones

Covellite Vs Falcons Eye

Covellite Vs Elbaite

Covellite Vs Fluorapatite

Covellite and Azurite Specific Gravity

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