Qualla: Tsumeb https://qualla.com/tsumeb en-us © 2026 Bendyline Mon, 20 Jul 2026 10:21:26 GMT Qualla serial false Qualla support@bendyline.com yes https://qualla.com/_m/k/k/s/d/tsumeb-wp/hero-small.webp Qualla: Tsumeb https://qualla.com/tsumeb Tsumeb: Introduction https://qualla.com/tsumeb/ Photo credit Foundert, CC BY-SA 3.0. Pronounced "SOO-meb," the name likely comes from the Nama language and means either "place of the moss" or "place of the frog." Both translations hint at something green, which is fitting: before mining began, a massive natural hill of green oxidized copper ore stood here, visible proof that something extraordinary lay beneath the surface. Founded in 1905 by German colonial authorities, Tsumeb is a town of about 35,000 people in Namibia's Oshikoto Region, known as the "gateway to the north" and the closest town to Etosha National Park. But the real draw for scientists and mineral collectors is underground -- a mineralized pipe that the International Union of Geological Sciences has listed among the 100 geological heritage sites on the planet.

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Image: Foundert | CC BY-SA 3.0

]]> Tue, 24 Mar 2026 00:00:00 GMT https://qualla.com/_m/k/k/s/d/tsumeb-wp/kksd-tsumeb-intro.mp3 0:06 1 full Tsumeb: The Pipe https://qualla.com/tsumeb/ Photo credit Unknown author, Public domain. Tsumeb's mineralized pipe is a geological argument that has never been fully settled. It penetrates more or less vertically through Precambrian Otavi dolomite for at least 1,300 meters. One theory holds it was a gigantic ancient cave system, slowly filled with sand that seeped in...

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Image: Unknown author | Public domain

]]> Tue, 24 Mar 2026 00:00:00 GMT https://qualla.com/_m/k/k/s/d/tsumeb-wp/kksd-tsumeb-the-pipe.mp3 0:06 2 full Tsumeb: Crystals and Collectors https://qualla.com/tsumeb/ Photo credit Olga Ernst, CC BY-SA 4.0. For mineral collectors, Tsumeb is a name that needs no introduction. The unique germanium minerals alone -- germanite, krieselite, ovamboite, and others -- are found only in this mine. Gem-quality dioptase crystals, enormous azurite clusters once offered for six-figure prices, ce...

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Image: Olga Ernst | CC BY-SA 4.0

]]> Tue, 24 Mar 2026 00:00:00 GMT https://qualla.com/_m/k/k/s/d/tsumeb-wp/kksd-tsumeb-crystals-and-collectors.mp3 0:06 3 full Tsumeb: Bottomless Lakes https://qualla.com/tsumeb/ Photo credit Unknown author, Public domain. Near Tsumeb sit two sinkhole lakes, Lake Otjikoto and Lake Guinas, whose true depths no one has measured. Both lakes disappear into lateral cave systems at their bottoms, making it impossible to sound them with a weighted line. Otjikoto is at least 60 meters deep but murky from a...

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Image: Unknown author | Public domain

]]> Tue, 24 Mar 2026 00:00:00 GMT https://qualla.com/_m/k/k/s/d/tsumeb-wp/kksd-tsumeb-bottomless-lakes.mp3 0:06 4 full Tsumeb: The Price of Extraction https://qualla.com/tsumeb/ Photo credit Unknown author, Public domain. Mining has defined Tsumeb since its founding, but that definition cuts both ways. The Tsumeb mine was originally owned by the German OMEG company, later by Tsumeb Corporation Limited, and has changed hands several times since the ore at depth ran out and the deepest shafts floode...

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Image: Unknown author | Public domain

]]> Tue, 24 Mar 2026 00:00:00 GMT https://qualla.com/_m/k/k/s/d/tsumeb-wp/kksd-tsumeb-the-price-of-extraction.mp3 0:06 5 full