Cuprite and Phenakite Physical Properties
Specific Gravity
5.85-6.15
2.90-2.98
Fracture
Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
Fair in four directions forming octahedrons
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
3.5-4
7.5-8
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cuprite and Phenakite Chemical Formula
While comparing Cuprite and Phenakite 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 Phenakite chemical formula.
- Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cuprite and Phenakite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cuprite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.