Hercynite and Papagoite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.39
3.25
Fracture
ConchoidalGemdat.org, Uneven
Brittle, Metallic
Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
Imperfect in one direction
Mohs Hardness
7.5-8
5-5.5
Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Hercynite and Papagoite Chemical Formula
While comparing Hercynite and Papagoite 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 Papagoite chemical formula.
- Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Hercynite and Papagoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hercynite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 3.25 whereas that of Papagoite is 3.25.