Oligoclase and Simpsonite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.62-2.67
  
Not Available
  
Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
  
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Cleavage
From the Greek, oligos and kasein, little cleavage.
  
None
  
Mohs Hardness
6-6.5
  
7-7.5
  
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
  
Oligoclase and Simpsonite Chemical Formula
While comparing Oligoclase and Simpsonite 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 Oligoclase and Simpsonite chemical formula.
- Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Oligoclase and Simpsonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Oligoclase and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is Not Available whereas that of Simpsonite is Not Available.