Taaffeite and Brookite Physical Properties
Specific Gravity
3.60-3.61
3.87-4.14
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Imperfect/fair/absent
Poor on {120}, in traces on {001}
Mohs Hardness
8-8.5
5.5-6
Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Taaffeite and Brookite Chemical Formula
While comparing Taaffeite 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 Taaffeite and Brookite chemical formula.
- Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Taaffeite and Brookite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Taaffeite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Taaffeite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Taaffeite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.