Diamond in host rock. Close-up of a diamond (upper left) still embedded in its host rock. Diamond is an allotrope of carbon in which the carbon atoms share strong covalent bonds and are arranged into a cubic lattice. As a result,diamond is the hardest naturally occurring material known on the planet,and has been utilised in various tools for cutting,grinding,and polishing. This diamond measures 3mm across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / PETR JAN JURACKA |
Taille de l’image : | 3981 px × 2657 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |