Sapphire and Cymophane Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
insoluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.03
  
3.69-3.81
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Not Available
  
Cleavage
None, but may exhibit parting
  
Not Available
  
Mohs Hardness
9
  
8.5
  
Chemical Composition
Al 2 O 3
  
BeAl 2O 4Arthur Thomas , Gemstones (2009)
  
Sapphire and Cymophane Chemical Formula
While comparing Sapphire and Cymophane 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 Cymophane chemical formula.
- Chemical formula of Sapphire- Al 2 O 3
- Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)
Sapphire and Cymophane Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.
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