Corundum

  
 
  
Ruby on white marble
Origin: Jagdalek, Kunar Province, Afghanistan
Sample size: 5.2 x 4.7 x 2.2 cm (top/2nd row), 4.8 x 3.4 x 2.1 cm (3rd/bottom row)
 
  
Sapphire
Origin: Myask, Ural, Russia
Sample size: 3.5 x 2.9 x 2.3 cm
 
        
 
  
Origin: Ratnapura, Sri Lanka
Sample size: 2.9 x 1.1 x 1.0 cm (top), 1.3 x 1.1 x 0.6 cm and 1.0 x 0.9 x 0.8 cm (2nd/bottom row)
 
  
  
Ruby
Origin: Tharaka, Kenya
Ex Gene Meieran Collection
Sample size: 1.8 x 1.8 x 1.2 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Pennycross (west of), Loch Scridain, Isle of Mull, Argyll, Scotland, UK
Sample size: crystals to 1 mm of the variety sapphire (left), crystals to 0.75 mm of the variety sapphire (right)
Owner: Steve Rust
 

Photo courtesy of: 

Steve Rust

 

  
Origin: Mogok, Sagaing Division, Mandalay, Myanmar (Burma)
Sample size: 33 x 13 x 24 mm
 

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