Hercynite and Cuprite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.39
5.85-6.15
Fracture
ConchoidalGemdat.org, Uneven
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
Fair in four directions forming octahedrons
Mohs Hardness
7.5-8
3.5-4
Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hercynite and Cuprite Chemical Formula
While comparing Hercynite 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 Hercynite and Cuprite chemical formula.
- Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hercynite and Cuprite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hercynite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.