Amethyst and Papagoite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
insoluble in common solvents
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65
  
3.25
  
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Brittle, Metallic
  
Cleavage
Indiscernible
  
Imperfect in one direction
  
Mohs Hardness
7
  
5-5.5
  
Chemical Composition
SiO2
  
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Amethyst and Papagoite Chemical Formula
While comparing Amethyst 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 Amethyst and Papagoite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Papagoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.25 whereas that of Papagoite is 3.25.