Brookite and Covellite Physical Properties
Tenacity
Brittle
Flexible
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.87-4.14
4.6-4.76
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Poor on {120}, in traces on {001}
Perfect on {0001}
Mohs Hardness
5.5-6
Not Available
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Brookite and Covellite Chemical Formula
While comparing Brookite 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 Brookite and Covellite chemical formula.
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Brookite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Brookite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.