Monazite and Crystal Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.80-5.50
  
1.97-2.22
  
Fracture
Not Available
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
5-5.5
  
5.5-6.5
  
Chemical Composition
(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Monazite and Crystal Opal Chemical Formula
While comparing Monazite and Crystal Opal 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 Monazite and Crystal Opal chemical formula.
- Chemical formula of Monazite- (Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Monazite and Crystal Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Monazite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Monazite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Monazite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.