Hemimorphite and Cuprite Physical Properties
Specific Gravity
3.30-3.50
5.85-6.15
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
Perfect on {110}, poor on {101}, {001} rare
Fair in four directions forming octahedrons
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hemimorphite and Cuprite Chemical Formula
While comparing Hemimorphite and Cuprite 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 Cuprite 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 Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hemimorphite and Cuprite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hemimorphite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.