Rubellite and Adularia Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.01-3.06
  
2.54-2.61
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Not Available
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
7-7.5
  
6
  
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.
  
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Rubellite and Adularia Chemical Formula
While comparing Rubellite and Adularia 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 Adularia 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.
- Chemical formula of Adularia- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Rubellite and Adularia Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rubellite and Adularia Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Adularia Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 2.54-2.61 whereas that of Adularia is 2.54-2.61.