Covellite and Kyanite Physical Properties
Tenacity
Flexible
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.6-4.76
3.53-3.65
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Splintery, Brittle, Metallic
Cleavage
Perfect on {0001}
[100] perfect [010] imperfect with 79° angle between
Mohs Hardness
Not Available
4-7
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Not Available
Covellite and Kyanite Chemical Formula
While comparing Covellite and Kyanite 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 Kyanite chemical formula.
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
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Covellite and Kyanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Covellite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.