Calcite crystals. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate. Carnegie Natural History Museum, Pittsburgh, PA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sharp, Millard H. |
Taille de l’image : | 5725 px × 3981 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |