Bustamite and Hemimorphite Physical Properties
Solubility
Partly soluble in HCl.
Soluble
Specific Gravity
3.32-3.43
3.30-3.50
Fracture
Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
Perfect on {110}, poor on {101}, {001} rare
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Bustamite and Hemimorphite Chemical Formula
While comparing Bustamite and Hemimorphite 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 Hemimorphite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Bustamite and Hemimorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.