Pumice stone. This soft abrasive igneous rock originated as part of a pyroclastic flow from the 1883 eruption of Krakatoa (Krakatau). It has a vesicular texture,a high silica content and a low density. It can still be found floating in the Sundra Strait between Sumatra and Java | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Clutson, Michael |
Bildgröße: | 5400 px × 3600 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |