Ruby and Serendibite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.97-4.05
  
3.43-3.44
  
Fracture
Conchoidal
  
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
No true cleavage
  
None Observed
  
Mohs Hardness
9
  
6.5-7
  
Chemical Composition
Al 2 O 3
  
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Ruby and Serendibite Chemical Formula
While comparing Ruby and Serendibite 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 Serendibite chemical formula.
- Chemical formula of Ruby- Al 2 O 3
- Chemical formula of Serendibite- Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ruby and Serendibite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ruby and Serendibite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Serendibite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.43-3.44 whereas that of Serendibite is 3.43-3.44.
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