Gypsum

  
Origin: Naica, Chihuahua, Mexico
Ex.Willard Perkin collection
Sample size: 10 x 4 x 34 mm
 
  
Origin: Emery Co., Utah, U.S.A.
Ex. Don Belsher collection
Sample size: 5.3 x 4.7 x 3.6 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

     
Origin: Tsumeb, Namibia
Ex. Ed Ruggiero collection
Sample size: 8.8 x 4.7 x 4.2 cm
 
  
Origin: Whyalla, South Australia, Australia
Sample size: 9.4 x 7.2 x 3.9 cm
 
  
Gypsum pseudomorph after halite (Permian)
Origin: North Fork Red River, Greer Co., Oklahoma, U.S.A.
Sample size: 2.1 x 1.9 x 1.7 cm
 
  
  
Gypsum with twinning
Origin: Eisleben, Saxony-Anhalt, Germany
Sample size: 13.5 x 9.7 x 6.5 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