Ruby and Rhodizite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.97-4.05
  
3.34-3.44
  
Fracture
Conchoidal
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
No true cleavage
  
{111} Indistinct, {111} Indistinct, {111} Indistinct
  
Mohs Hardness
9
  
8-8.5
  
Chemical Composition
Al 2 O 3
  
(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Ruby and Rhodizite Chemical Formula
While comparing Ruby and Rhodizite 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 Rhodizite chemical formula.
- Chemical formula of Ruby- Al 2 O 3
- Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ruby and Rhodizite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ruby and Rhodizite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Rhodizite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.34-3.44 whereas that of Rhodizite is 3.34-3.44.
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