Sapphire and Catapleiite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
insoluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.03
  
2.72
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Brittle, Metallic, Brittle, Metallic
  
Cleavage
None, but may exhibit parting
  
{110} Perfect, {010} Perfect
  
Mohs Hardness
9
  
5-6
  
Chemical Composition
Al 2 O 3
  
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Sapphire and Catapleiite Chemical Formula
While comparing Sapphire and Catapleiite 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 Sapphire and Catapleiite chemical formula.
- Chemical formula of Sapphire- Al 2 O 3
- Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Sapphire and Catapleiite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.72 whereas that of Catapleiite is 2.72.
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