Gypsum and sulphur crystals. Gypsum (clear crystals) is a calcium sulphate commonly found in sedimentary rock. It has a wide range of applications in industry,including for construction materials and food additives. The yellow crystals are the element sulphur. This sample measures 250 millimetres across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5115 px × 3394 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |