Violane and Poudretteite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.22-3.40
  
2.51-2.53
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Conchoidal, Splintery
  
Cleavage
Not Available
  
None
  
Mohs Hardness
5-6
  
5
  
Chemical Composition
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
  
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Violane and Poudretteite Chemical Formula
While comparing Violane 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 Violane and Poudretteite chemical formula.
- Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Violane and Poudretteite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Violane and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Violane and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Violane is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.