Hyacinth and Star Ruby Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.93-4.73
  
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
6.5-7.5
  
Not Available
  
Chemical Composition
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Hyacinth and Star Ruby Chemical Formula
While comparing Hyacinth 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 Hyacinth and Star Ruby chemical formula.
- Chemical formula of Hyacinth- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Hyacinth and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hyacinth and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hyacinth and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Hyacinth is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.