Hemimorphite and Smithsonite Physical Properties
Specific Gravity
3.30-3.50
4.00-4.65
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven, Sub-Conchoidal
Cleavage
Perfect on {110}, poor on {101}, {001} rare
Perfect on [1011]
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hemimorphite and Smithsonite Chemical Formula
While comparing Hemimorphite 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 Hemimorphite and Smithsonite 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 Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hemimorphite and Smithsonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hemimorphite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.