Cuprite and Sphalerite Physical Properties
Specific Gravity
5.85-6.15
3.95-4.10
Fracture
Conchoidal
Uneven
Cleavage
Fair in four directions forming octahedrons
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
3.5-4
3.5-4
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cuprite and Sphalerite Chemical Formula
While comparing Cuprite and Sphalerite 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 Cuprite and Sphalerite chemical formula.
- Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cuprite and Sphalerite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cuprite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.