Bustamite and Smithsonite Physical Properties
Solubility
Partly soluble in HCl.
-
Specific Gravity
3.32-3.43
4.00-4.65
Fracture
Conchoidal
Uneven, Sub-Conchoidal
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
Perfect on [1011]
Mohs Hardness
5.5-6
5-5.5
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Bustamite and Smithsonite Chemical Formula
While comparing Bustamite and Smithsonite 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 Smithsonite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Bustamite and Smithsonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.