Poudretteite and Albite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.51-2.53
  
2.60-2.65
  
Fracture
Conchoidal, Splintery
  
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
  
Cleavage
None
  
Perfect on {001}, very good on {010}, imperfect on {110}
  
Mohs Hardness
5
  
6-6.5
  
Chemical Composition
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
  
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Poudretteite and Albite Chemical Formula
While comparing Poudretteite and Albite 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 Albite chemical formula.
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Poudretteite and Albite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Poudretteite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Albite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.60-2.65 whereas that of Albite is 2.60-2.65.