Cerussite and Covellite Physical Properties

Cerussite

Covellite

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.46-6.574.6-4.76

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

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

1.6 Cleavage

Good [110] and [021]

Perfect on {0001}

1.7 Mohs Hardness

3-3.5Not Available

2 10

1.8 Chemical Composition

PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Cerussite and Covellite Chemical Formula

While comparing Cerussite and Covellite 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 Cerussite and Covellite chemical formula.

Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Brown Gemstones

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Cerussite Vs Diamond

Cerussite Vs Danburite

Cerussite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cerussite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cerussite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Cerussite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.