Corundum

  
  
  
Variety ruby on marble
Origin: Jagdalak (Jagdalek) Ruby Mine, Kunar Province, Afghanistan
Sample size: 3.3 x 2.8 x 2.6 cm
 
  
White sapphire
Origin: Gem Gravels, Sri Lanka (Ceylon)
Sample size: 2.6 x 1.2 x 1.1 cm
 
  
Variety ruby
Origin: Mogok, Mandalay, Burma
Ex. Irv Brown collection
Sample size: 1.1 x 0.4 x 0.4 cm (largest)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Variety ruby
Origin: Mysore, Karnataka, India
Sample size: 6.6 x 6.2 x 3.2 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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Back to Alphabetical list Physical, chemical and crystallographic description Optical properties/Thin sections SEM images TEM images vibrational spectra description IR spectra Raman spectra N-IR spectra F-IR spectra IES spectra