Covellite and Turquoise Physical Properties
Tenacity
Flexible
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
4.6-4.76
2.30-2.90
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Perfect on {0001}
Good to perfect_usually N/A
Mohs Hardness
Not Available
5-6
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
CuAl6(PO4)4(OH)8 • 4H2O
Covellite and Turquoise Chemical Formula
While comparing Covellite and Turquoise 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 Turquoise chemical formula.
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
Covellite and Turquoise Specific Gravity
Another important criteria for qualitative analysis of gemstones is Covellite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Covellite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.