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Cerussite
Cerussite

Covellite
Covellite



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Cerussite
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Covellite

Cerussite and Covellite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Flexible
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.46-6.57
4.6-4.76
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
3-3.5
Not Available
1.8 Chemical Composition
PbCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael O’Donoghue , 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 O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

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.