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MINERAL FOTO ATLAS Bismutocolumbite / Bismutocolumbit BiNbO4 Black crystals of bismutocolumbite. Malkhan, Krasny Chikoy, Transbaikalia, Siberia, Russia. Picture size 5 mm. Collection and foto Thomas Witzke. Schwarze Bismutocolumbit-Kristalle. Malkhan, Krasny Chikoy, Transbaikal, Sibirien, Russland. Bildbreite 5 mm. Sammlung und Foto Thomas Witzke. © Thomas Witzke / Stollentroll |
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