Calcite (variety manganoan) on Kutnohorite
N'Chwaning III Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
2.5cm X 2.3cm x 1.3cm
(Author: steven calamuci)
Dimensions: | 1600 x 1200 |
File size: | 264.06 kbytes |
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