Quartz, Calcite, jouravskite?, manganite
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
87 x 71 x 55 mm
(Author: Pierre Joubert)
Dimensions: | 900 x 744 |
File size: | 149.67 kbytes |
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