Gypsum

  
Origin: Red River Floodway, nr. Winnipeg, Manitoba, Canada
Sample size: 6.0 x 5.8 x 3.9 cm
 
  
Selenite
Origin: Roden, Zaragoza, Spain
Sample size: 5.5 x 4.5 x 4.5 cm
 
  
  
Atacamite in and on selenite
Origin: Lily Mine, Pisco Prov, Ica Dept, Peru
Sample size: 5.4 x 4.1 x 1.0 cm
 
  
  
Origin: Las Salinas, Ica Dept, Peru
Sample size: 9.6 x 8.2 x 6.6 cm
 
  
Selenite on quartz
Origin: Roata Mine, Cavnic, Maramures, Romania
Ex. Marty Zinn collection
Sample size: 6.5 x 4.9 x 4.5 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Origin: Great Salt Plain, Oklahoma, U.S.A.
Ex. Willard Perkin collection
Sample size: 32 mm wide
 
Origin: Naica, Chihuahua, Mexico
Ex. Willard Perkin collection
Sample size: 36 mm tall
 

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