Hemimorphite and Dioptase Physical Properties
Solubility
Soluble
Soluble
Specific Gravity
3.30-3.50
3.25-3.35
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
Perfect on {110}, poor on {101}, {001} rare
Perfect in three directions
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hemimorphite and Dioptase Chemical Formula
While comparing Hemimorphite and Dioptase 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 Dioptase 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 Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hemimorphite and Dioptase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hemimorphite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.