Prase and Poudretteite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.64-2.69
  
2.51-2.53
  
Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)
  
Conchoidal, Splintery
  
Cleavage
Not Available
  
None
  
Mohs Hardness
7
  
5
  
Chemical Composition
SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Prase and Poudretteite Chemical Formula
While comparing Prase and Poudretteite 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 Prase and Poudretteite chemical formula.
- Chemical formula of Prase- SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Prase and Poudretteite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Prase and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Prase is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.