Sapphire and Prasiolite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
insoluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.03
  
2.65
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
None, but may exhibit parting
  
3,1
  
Mohs Hardness
9
  
7
  
Chemical Composition
Al 2 O 3
  
SiO 2Ulrich Henn and Claudio C.
  
Sapphire and Prasiolite Chemical Formula
While comparing Sapphire and Prasiolite 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 Prasiolite chemical formula.
- Chemical formula of Sapphire- Al 2 O 3
- Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Sapphire and Prasiolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.65 whereas that of Prasiolite is 2.65.
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