Olivine mineral sample. Fractured olivine 'bomb',showing the internal structure of this mineral formation. Olivine is a magnesium iron silicate. In this case,a 'bomb' is a chunk of rock that has been ejected from a volcano during an eruption. The outside of the 'bomb' is weathered and dark grey. Olivine crystals are usually green,but can be red as well. Other minerals present include chromium diopside and spinel. This sample is 10.5 centimetres across | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5138 px × 3425 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |