Nantokite

White spheres of nantokite on dark green atacamite with blue-green chrysocolla spheres
Origin: Chuquicamata, Chile
Picture height: 9 mm
Sample owner: W.R. Moorer
 

Photo courtesy of: 

Pieter Stemvers, Leusden, Netherlands

email: stemvers@hetnet.nl

 

Nantokite altering to green powder of atacamite in cuprite and copper
Origin: Great Australia Mine, Cloncurry, Queensland, Australia
Sample size: fov 8 mm
Sample owner: Queensland Micromineral Museum, Queensland Mineralogical Society
 

Photo courtesy of: 

Theo Kloprogge

 

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