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