Bustamite and Chromite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Partly soluble in HCl.
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.32-3.43
4.5-4.8
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
None, parting may develop along {111}
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe++Cr2O4
Bustamite and Chromite Chemical Formula
While comparing Bustamite and Chromite 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 Bustamite and Chromite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Chromite- Fe++Cr2O4
Bustamite and Chromite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.