Brookite and Bustamite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Partly soluble in HCl.
Durability
Not Available
Not Available
Specific Gravity
3.87-4.14
3.32-3.43
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Poor on {120}, in traces on {001}
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
5.5-6
5.5-6
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Brookite and Bustamite Chemical Formula
While comparing Brookite and Bustamite 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 Bustamite chemical formula.
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Brookite and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Brookite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.