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Epidote
Epidote

Covellite
Covellite



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Epidote
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Epidote and Covellite Physical Properties

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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
3.25-3.50
4.6-4.76
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
{001} perfect and {100} imperfect
Perfect on {0001}
1.7 Mohs Hardness
6-7
Not Available
1.8 Chemical Composition
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Epidote and Covellite Chemical Formula

While comparing Epidote 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 Epidote and Covellite chemical formula.

  • Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael 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

Epidote and Covellite Specific Gravity

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