Agatised coral. Agate is an aggregate of different forms of silica (SiO2) that have formed concentric bands within a geode. Specimens from Tampa Bay,Florida,USA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 3772 px × 4633 px |
Model Release : | Non requis |
Restrictions : | - |