Corundum

  
Origin: Mysore, India
Sample size: 5.2 x 3.7 x 1.5 cm
 
  
"Froland Ruby"
Origin: Froland Aust-Agder, Norway
Ex. B.E. Lockhart collection
Sample size: 10.9 x 6.2 x 4.3 cm
 
  
  
Variety ruby in quartz
Origin: Ganesh, Hunza Valley, Northern Areas, Pakistan
Sample size: 3.8 x 3.0 x 3.0 cm
 
  
Origin: Ratnapura, Sri Lanka
Sample size: 2.8 x 1.4 x 1.1 cm
 
  
Variety sapphire
Origin: Galbkka, Uva Province, Sri Lanka
Sample size: 2.6 x 0.8 x 0.6 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Salesville, Gallatin Co., Montana, U.S.A.
Ex. Scott and Ann Williams collection
Sample size: 28 x 23 x 11 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