5724 Jacobsite, N’Chwaning II Mine, Kuruman, Kalahari manganese field, Northern Cape, South Africa November 28, 2020 Steve Africa South Africa Lustrous black octahedral crystals.
Australasia Australia South Australia ncat VH365 Jacobsite, Iron Monarch Mine, Iron Knob, South Australia August 22, 2024
Asia Japan 7115 Jacobsite (Iwakiite), Gozaisho mine, Iwaki, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan October 5, 2019
Australasia Australia South Australia 2042 Jacobsite, Iron Monarch, Iron Knob, South Australia August 22, 2024
Asia Japan 5492 Jacobsite (Iwakiite), Gozaisho mine, Iwaki City, Fukushima Prefecture, Japan October 2, 2019
