Iris agate. Iris agates are those agates that have sufficiently fine bands or crystal structure to act as a diffraction grating,breaking light into its component colours. Specimen from Rancho Coyamito,Chihuahua,Mexico | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 5125 px × 3410 px |
Model Release : | Non requis |
Restrictions : | - |