Dioptase and Brookite Physical Properties
Specific Gravity
3.25-3.35
3.87-4.14
Fracture
Conchoidal, ConchoidalWalter Schumann
Subconchoidal, Conchoidal
Cleavage
Perfect in three directions
Poor on {120}, in traces on {001}
Chemical Composition
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Dioptase and Brookite Chemical Formula
While comparing Dioptase and Brookite 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 Dioptase and Brookite chemical formula.
- Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Dioptase and Brookite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dioptase and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Brookite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 3.87-4.14 whereas that of Brookite is 3.87-4.14.