Dufrénoysite

Dufrénoysite with pyrite on dolomite
Origin: Lengenbach quarry, Binntal, Valais, Switzerland
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

  
Origin: Lengenbach, Binntal, Wallis, Switzerland
Sample size: micromount (left and right)
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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