Sapphire and Axinite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
insoluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.03
  
3.26-3.36
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
None, but may exhibit parting
  
Good on {100}
  
Mohs Hardness
9
  
6.5-7
  
Chemical Composition
Al 2 O 3
  
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  
Sapphire and Axinite Chemical Formula
While comparing Sapphire and Axinite 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 Axinite chemical formula.
- Chemical formula of Sapphire- Al 2 O 3
- Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Sapphire and Axinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Axinite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.26-3.36 whereas that of Axinite is 3.26-3.36.
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