Hemimorphite and Nephrite Physical Properties
Specific Gravity
3.30-3.50
2.90-3.10
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Splintery, Granular
Cleavage
Perfect on {110}, poor on {101}, {001} rare
None
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Hemimorphite and Nephrite Chemical Formula
While comparing Hemimorphite and Nephrite 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 Nephrite 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 Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Hemimorphite and Nephrite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hemimorphite and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.