Sample of the element carbon (C) in its diamond form rotating in a watch glass. Carbon has the atomic number six, and is a non-metal that exists as several allotropes, including graphite and amorphous carbon as well as diamond. Diamond is the hardest naturally-occuring material known, and is widely used as a gemstone and as an abrasive. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Länge: | 12 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |