Smithsonite and Hemimorphite Physical Properties
Specific Gravity
4.00-4.65
3.30-3.50
Fracture
Uneven, Sub-Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Perfect on [1011]
Perfect on {110}, poor on {101}, {001} rare
Chemical Composition
ZnCO 3Michael 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
Smithsonite and Hemimorphite Chemical Formula
While comparing Smithsonite 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 Smithsonite and Hemimorphite chemical formula.
- Chemical formula of Smithsonite- ZnCO 3Michael 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
Smithsonite and Hemimorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Smithsonite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.