Rubellite and Blue spinel Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.01-3.06
  
Not Available
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Not Available
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
7-7.5
  
Not Available
  
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
  
Not Available
  
Rubellite and Blue spinel Chemical Formula
While comparing Rubellite and Blue spinel 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 Rubellite and Blue spinel chemical formula.
- Chemical formula of Rubellite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
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Rubellite and Blue spinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rubellite and Blue spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Blue spinel Optical Properties during the identification of gemstone. Specific gravity of Rubellite is Not Available whereas that of Blue spinel is Not Available.