Corundum

  
Origin: Khit-Ostrov, Karelia Republic, Russia
Sample size: 4.3 x 4.2 x 3.5 cm
 
  
  
Variety sapphire
Origin: Ratnapura, Sabaragamuwa Province, Sri Lanka
Ex. Irv Brown collection
Sample size: 1.6 x 0.5 x 0.4 cm (largest)
 
  
Variety ruby
Origin: Ampanihy, Madagascar
Sample size: 7.6 x 7.3 x 2.9 cm
 
     
Origin: Zoutpansberg District, Transvaal, South Africa
Ex. Richard Hauck collection
Sample size: 2.5 x 1.2 x 0.8 cm
 
        
Variety sapphire
Origin: Mogok, Burma
Ex. Irv Brown collection
Sample size: 1.1 x 0.5 x 0.4 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Variety ruby
Origin: Khit Island (Khit Ostrov), Karelia Republic, Northern Region, Russia
Sample size: 9.5 x 8 x 7 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