Star Ruby and Benitoite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Insoluble: HCl
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.10
  
3.61-3.68
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
Not Available
  
[10 1 1] poor
  
Mohs Hardness
Not Available
  
6-6.5
  
Chemical Composition
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
  
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Star Ruby and Benitoite Chemical Formula
While comparing Star Ruby and Benitoite 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 Benitoite chemical formula.
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Star Ruby and Benitoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Star Ruby and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.