Triangular cut fluorite from Mexico. Fluorite is the mineral form of calcium fluoride. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NATURAL HISTORY MUSEUM,LONDON |
Taille de l’image : | 4588 px × 3809 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |