Chrysoprase and Amethyst Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
insoluble in common solvents
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.58-2.64
  
2.65
  
Fracture
Gems, Sixth Edition (2006)
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
None
  
Indiscernible
  
Mohs Hardness
6.5-7
  
7
  
Chemical Composition
SiO2 (with a high level of nickel impurities )
  
SiO2
  
Chrysoprase and Amethyst Chemical Formula
While comparing Chrysoprase and Amethyst 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 Chrysoprase and Amethyst chemical formula.
- Chemical formula of Chrysoprase- SiO2 (with a high level of nickel impurities )
- Chemical formula of Amethyst- SiO2
Chrysoprase and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrysoprase and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoprase and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Chrysoprase is 2.65 whereas that of Amethyst is 2.65.