Ruby and Papagoite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.97-4.05
  
3.25
  
Fracture
Conchoidal
  
Brittle, Metallic
  
Cleavage
No true cleavage
  
Imperfect in one direction
  
Mohs Hardness
9
  
5-5.5
  
Chemical Composition
Al 2 O 3
  
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Ruby and Papagoite Chemical Formula
While comparing Ruby and Papagoite 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 Papagoite chemical formula.
- Chemical formula of Ruby- Al 2 O 3
- Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Ruby and Papagoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ruby and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.25 whereas that of Papagoite is 3.25.
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