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Covellite
Covellite

Sodalite
Sodalite



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Covellite
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Sodalite

Covellite and Sodalite Physical Properties

1 Physical Properties
1.1 Tenacity
Flexible
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.6-4.762.15-2.40
Amber
1 7.18
1.5 Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
1.6 Cleavage
Perfect on {0001}
Poor on {110}
1.7 Mohs Hardness
Not Available5-6
Amber
2 10
1.8 Chemical Composition
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references
Na8Al6Si6O24Cl2

Covellite and Sodalite Chemical Formula

While comparing Covellite and Sodalite 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 Sodalite chemical formula.

  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references
  • Chemical formula of Sodalite- Na8Al6Si6O24Cl2

Covellite and Sodalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Sodalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Sodalite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.15-2.40 whereas that of Sodalite is 2.15-2.40.