Scheelite and Star Ruby Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.9-6.3
  
3.95-4.10
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven
  
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
  
Not Available
  
Mohs Hardness
4.5-5
  
Not Available
  
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Scheelite and Star Ruby Chemical Formula
While comparing Scheelite 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 Scheelite and Star Ruby chemical formula.
- Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Scheelite and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Scheelite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.