Malachite with dioptase from the Tsumeb Mine in Tsumeb,Namibia. The little green crystals are the dioptase,on a matrix of malachite. Both dioptase and malachite are used as gemstones; malachite is also used as an ore of copper. 8 x 6 x 3 cm | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Schneider, Mark A. |
Bildgröße: | 3819 px × 2550 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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