Orpiment

  
 
  
 
  
 
  
Origin: Twin Creeks Mine, Humboldt Co, Nevada, U.S.A.
Sample size: 3.5 x 3 x 2.2 cm (top), 3.8 x 3.5 x 2.8 cm (2nd/3rd row), 3.7 x 2.3 x 2.3 cm (4th row), 4.5 x 3.1 x 2.8 cm (bottom)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Orpiment on barite
Origin: El' Brusskiy (Elbrusskiy) Mine, Northern Caucasus Region, Russia
Sample size: 4 x 2.5 x 1.3 cm
 
  
Origin: Quiruvilca Mine (La Libertad Mine; ASARCO Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru
Ex. Don Belsher collection
Sample size: 10 x 7.3 x 4.4 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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Page 27

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