Gypsum

  
Variety selenite
Origin: Naica , Chihuahua, Mexico
Sample size: 20 x 10 x 10 cm
 
  
  
Gypsum with included dendritic copper
Origin: Mission Mine, Pima Co., Arizona, U.S.A.
Sample size: 10.5 x 4.0 x 0.7 cm
 
  
  
Variety "rams horn"
Origin: Bou Azzer, Atlas Mtns, Morocco
Sample size: 12.4 x 9.3 x 7.2 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Caineville Mesa, Wayne Co., Utah, U.S.A.
Sample size: 6.8 x 4.5 x 2.2 cm
 
  
Origin: Naica, Mun. de Saucillo, Chihuahua, Mexico
Ex. Scott Williams collection
Sample size: 18.3 x 7.6 x 6.2 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