Graphite. Sample of graphite (grey) in its host rock. Graphite is an allotrope of carbon and its most stable form under standard conditions | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / PETR JAN JURACKA |
Bildgröße: | 5187 px × 3463 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |