Prasiolite and Amethyst Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
insoluble in common solvents
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65
  
2.65
  
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
3,1
  
Indiscernible
  
Mohs Hardness
7
  
7
  
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
  
SiO2
  
Prasiolite and Amethyst Chemical Formula
While comparing Prasiolite 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 Prasiolite and Amethyst chemical formula.
- Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
- Chemical formula of Amethyst- SiO2
Prasiolite and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Prasiolite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prasiolite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Prasiolite is 2.65 whereas that of Amethyst is 2.65.