Star Ruby and Elbaite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.10
  
2.90-3.10
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
Not Available
  
Poor/indistinct on {1120} and {1011}
  
Mohs Hardness
Not Available
  
7
  
Chemical Composition
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
  
Star Ruby and Elbaite Chemical Formula
While comparing Star Ruby and Elbaite 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 Star Ruby and Elbaite chemical formula.
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Star Ruby and Elbaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Star Ruby and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.