Andradite

  
 
  
Origin: Sulbahan, Shazni Province, Afghanistan
Sample size: 3.8 x 1.4 x 3.7 cm (top), 31 x 15 x 28 mm (bottom)
 
  
Origin: Stanley Butte, San Carlos, Stanley District, Pinaleņo Mts, Graham Co., Arizona, U.S.A.
Sample size: 6.8 x 5.5 x 2.6 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
  
Variety demantoid
Origin: Franscia Mine, Val Malenco, Sondrio Province, Lombardia, Italy
Sample size: 4.5 x 3.3 x 1.6 cm
 
  
Variety demantoid
Origin: Tubussis Farm, Erongo, Namibia
Sample size: 4.4 x 3.2 x 2.3 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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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