Hercynite and Chrysoprase Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.39
  
2.58-2.64
  
Fracture
ConchoidalGemdat.org, Uneven
  
Gems, Sixth Edition (2006)
  
Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
  
None
  
Mohs Hardness
7.5-8
  
6.5-7
  
Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
  
SiO2 (with a high level of nickel impurities )
  
Hercynite and Chrysoprase Chemical Formula
While comparing Hercynite and Chrysoprase 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 Chrysoprase chemical formula.
- Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Chrysoprase- SiO2 (with a high level of nickel impurities )
Hercynite and Chrysoprase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hercynite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.