21hhdw.is ((HAUSMANNITE)), $25 MINIMUM BID, N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa, 2.8 x 1.8 x 1.7 cm, Thumbnail | |
Complex Hausmannite crystals with multiple speudo octahedral crystals stacked to form the larger crystals. |