Bustamite and Hardystonite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Partly soluble in HCl.
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.32-3.43
3.396-3.443
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Brittle, Metallic
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
[001] good, [100] and [110] fair
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Bustamite and Hardystonite Chemical Formula
While comparing Bustamite and Hardystonite 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 Hardystonite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Bustamite and Hardystonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.