Brookite and Cuprite Physical Properties
Specific Gravity
3.87-4.14
5.85-6.15
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Poor on {120}, in traces on {001}
Fair in four directions forming octahedrons
Mohs Hardness
5.5-6
3.5-4
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Brookite and Cuprite Chemical Formula
While comparing Brookite and Cuprite 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 Cuprite chemical formula.
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Brookite and Cuprite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Brookite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.