Diamond in kimberlite. Kimberlite,an igneous rock which occurs in abundance in the Kimberly mines,South Africa,is the main parent rock for diamonds. Diamonds form under intense pressure and heat. They are an exceptionally hard form of carbon,which occur as octahedral,rounded structures. The diamond her measures 10 millimetres across and is a well-formed octahedron | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 3891 px × 2805 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |