Quartz crystal cluster on display in a museum in Namibia. This is the world's largest quartz cluster,it was discovered in 1985 at the bottom of a 45 metre deep cave in the Otjua mine near Karibib in Namibia. It weighs 14,100 kg and took three years to excavate and remove | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Stammers, Sinclair |
Bildgröße: | 3733 px × 4679 px |
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