Congo Bonsi, Say, Tillabéri, Niger
Platy stibnite with some minor, yellowish stibiconite (?) coatings in auriferous quartz. Sample self-collected in 1998. Photograph by Wolfgang Hampel. Field of view: 30 mm x 22 mm
© Wolfgang Hampel
Polished section with an euhedral pyrite crystal in quartz; FOV 2.4 mm; collected by Wolfgang Hampel in 1998, photo by Thomas Hatzl.
Polished section with bright blue covellite and near white stibnite in quartz; FOV 0.6 mm; found in 1998 by Wolfgang Hampel, photo by Thomas Hatzl.