Violane and Star Ruby Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.22-3.40
  
3.95-4.10
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
5-6
  
Not Available
  
Chemical Composition
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
  
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Violane and Star Ruby Chemical Formula
While comparing Violane and Star Ruby 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 Violane and Star Ruby chemical formula.
- Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Violane and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Violane and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Violane and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Violane is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.