Bustamite and Covellite Physical Properties
Tenacity
Not Available
Flexible
Solubility
Partly soluble in HCl.
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.32-3.43
4.6-4.76
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
Perfect on {0001}
Mohs Hardness
5.5-6
Not Available
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Bustamite and Covellite Chemical Formula
While comparing Bustamite and Covellite 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 Covellite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Bustamite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.