Poudretteite and Tigers Eye Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.51-2.53
  
2.58-2.64
  
Fracture
Conchoidal, Splintery
  
Gems, Sixth Edition (2006)
  
Cleavage
None
  
Indiscernible
  
Mohs Hardness
5
  
6.5-7
  
Chemical Composition
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
  
SiO2
  
Poudretteite and Tigers Eye Chemical Formula
While comparing Poudretteite and Tigers Eye 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 Poudretteite and Tigers Eye chemical formula.
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Tigers Eye- SiO2
Poudretteite and Tigers Eye Specific Gravity
Another important criteria for qualitative analysis of gemstones is Poudretteite and Tigers Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Tigers Eye Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.58-2.64 whereas that of Tigers Eye is 2.58-2.64.