Selenite crystals. Selenite,a variant of gypsum (calcium sulphate),is a common and abundant mineral throughout the world. Gypsum forms some of the largest crystals found in nature and is commonly found in sedimentary rock. It has a wide range of applications in industry,including for construction materials and food additives. This sample,from Morocco,is 140 millimetres long | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5616 px × 3744 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |