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Powellite
Powellite

Covellite
Covellite



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Powellite
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Covellite

Powellite and Covellite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Flexible
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.234.6-4.76
Amber
1 7.18
1.5 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
{111} Distinct
Perfect on {0001}
1.7 Mohs Hardness
3.5-4Not Available
Amber
2 10
1.8 Chemical Composition
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Powellite and Covellite Chemical Formula

While comparing Powellite 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 Powellite and Covellite chemical formula.

  • Chemical formula of Powellite- CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Powellite and Covellite Specific Gravity

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