Manasseite

 
 
 
 
Manasseite on dolomite
Origin: Jacupiranga mine, Jacupiranga, Sao Paolo, Brazil
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

  
 
  
Origin: Iron mine, Kovdor massif, Kola Peninsula, Russia
Sample size: 2.5 x 2 x 1.5 cm with several yellowish green crystals to 1 mm (top), 3 x 2 x 2.5 cm with several yellowish green to red, translucent crystals to 0.75 mm (bottom)
 
  
White grains to 1 cm associated with magnetite and serpentine (light green in photo).
Origin: Snarum, Vikersund, Norway (type locality)
Sample size: 5 x 4 x 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Orange crystals in dolomitic carbonatite.  Ref.: Min.Rec.15, 265 (1984)
Origin: Jacapiranga, San Paulo State, Brazil
Sample size: 2 x 3.5 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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