Ruby and Anatase Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.97-4.05
  
3.82-3.97
  
Fracture
Conchoidal
  
Subconchoidal, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
No true cleavage
  
Perfect on [001] and [011]
  
Mohs Hardness
9
  
5.5-6
  
Chemical Composition
Al 2 O 3
  
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
  
Ruby and Anatase Chemical Formula
While comparing Ruby and Anatase 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 Ruby and Anatase chemical formula.
- Chemical formula of Ruby- Al 2 O 3
- Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Ruby and Anatase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ruby and Anatase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Anatase Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.82-3.97 whereas that of Anatase is 3.82-3.97.
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