Malachite,cut and polished section. Malachite is a hydrated form of copper carbonate. It is formed by oxidation of copper deposits. Malachite is a valuable decorative stone used to make small tables,boxes,ornaments and jewellery. In the past it was crushed and used as a pigment called mountain green. This sample is from the copper- mining province of Katanga (formerly Shaba) in the Democratic Republic of Congo | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 3730 px × 4729 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |