Derriksite

 
 
Derriksite and guilleminite (yellow)
 
Origin: Musonoi mine, Kolwezi, Shaba, Dem. Rep. Congo
Owner: Lou Perloff
Microscopic image
 

Photo courtesy of: 

Lou Perloff

Photo-Atlas of Minerals

 

Nice darkgreen crystals on malachite matrix
Origin: Musonoi Mine, Katanga, Democratic Republic of Congo
Sample size: 5 x 7 mm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Spike like, prismatic crystals of dark green derriksite to about 0.6 mm in malachite matrix with several other crude crystals along vug.
Origin: Musonoi Mine, Kolwezi, Shaba Cu belt, Katanga, Congo (type locality)
Sample size: 3 x 1.5 x 1.5 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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