Sapphire gemstone. Sapphires are a non-red variety of the mineral corundum (aluminium oxide) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 3928 px × 4449 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |