Pargasite and Langbeinite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Slowly dissolves in water
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.04-3.26
  
Not Available
  
Fracture
Splintery, Brittle, Uneven
  
Conchoidal, Brittle
  
Cleavage
{110} perfect
  
None
  
Mohs Hardness
5-6
  
3.5-4
  
Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Not Available
  
Pargasite and Langbeinite Chemical Formula
While comparing Pargasite and Langbeinite 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 Pargasite and Langbeinite chemical formula.
- Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
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Pargasite and Langbeinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pargasite and Langbeinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Langbeinite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is Not Available whereas that of Langbeinite is Not Available.