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Edenite
Edenite

Covellite
Covellite



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Edenite
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Covellite

Edenite and Covellite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Flexible
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.05-3.37
4.6-4.76
1.5 Fracture
Conchoidal, Brittle, Conchoidal
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
Good on (110)
Perfect on {0001}
1.7 Mohs Hardness
5-6
Not Available
1.8 Chemical Composition
NaCa2Mg5Si7AlO22(OH)2
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Edenite and Covellite Chemical Formula

While comparing Edenite 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 Edenite and Covellite chemical formula.

  • Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Edenite and Covellite Specific Gravity

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