Inderite and Poudretteite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.79
  
2.51-2.53
  
Fracture
Uneven
  
Conchoidal, Splintery
  
Cleavage
{110} Good
  
None
  
Mohs Hardness
2.5
  
5
  
Chemical Composition
MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Inderite and Poudretteite Chemical Formula
While comparing Inderite 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 Inderite and Poudretteite chemical formula.
- Chemical formula of Inderite- MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Inderite and Poudretteite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Inderite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Inderite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Inderite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.