Brookite and Danburite Physical Properties
Specific Gravity
3.87-4.14
2.97-3.03
Fracture
Subconchoidal, Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Poor on {120}, in traces on {001}
{001} Poor
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Brookite and Danburite Chemical Formula
While comparing Brookite and Danburite 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 Danburite chemical formula.
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Brookite and Danburite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Brookite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.