Chromite. This mineral is iron chromium oxide,and the only significant ore of chromium,a valuable strategic metal. Chromium deposits worldwide are not common,although chromium appears as an impurity in a large number of minerals. Chromite is always black and occurs both as sharp octahedral crystals and as granular masses (seen here). This specimen is from Mozambique,Africa,and measures 40 mm across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5315 px × 3543 px |
Model Release : | Non requis |
Restrictions : | - |