Rock concretions and minerals. Clockwise from upper left: septarian nodule,fractured flint nodule,fractured pyrite nodule and a selenite desert rose. These specimens form part of the collections held at the Natural History Museum,London,UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 3445 px × 2536 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |