Catapleiite and Boulder Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.72
  
1.98-2.25
  
Fracture
Brittle, Metallic, Brittle, Metallic
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
{110} Perfect, {010} Perfect
  
Not Available
  
Mohs Hardness
5-6
  
5-6.5
  
Chemical Composition
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Catapleiite and Boulder Opal Chemical Formula
While comparing Catapleiite and Boulder 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 Catapleiite and Boulder Opal chemical formula.
- Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Catapleiite and Boulder Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Catapleiite and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.