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Covellite
Covellite

Sapphire
Sapphire



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Covellite
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Sapphire

Covellite and Sapphire Physical Properties

1 Physical Properties
1.1 Tenacity
Flexible
Not Available
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.6-4.763.95-4.03
Amber
1 7.18
1.5 Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Perfect on {0001}
None, but may exhibit parting
1.7 Mohs Hardness
Not Available9
Amber
2 10
1.8 Chemical Composition
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references
Al 2 O 3

Covellite and Sapphire Chemical Formula

While comparing Covellite and Sapphire 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 Covellite and Sapphire chemical formula.

  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references
  • Chemical formula of Sapphire- Al 2 O 3

Covellite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Covellite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.