Gypsum is a calcium sulphate dihydrate (CaSO4.2H2O) having a monoclinic crystal system, occurring in crystalline habitat as well as amorphous. It occurs in massive deposits worldwide and is mined as such on a large industrial scale for use in fertilizers, building materials and other uses. Sample is from Eisleben in Thuringen, Germany. Actual width is 150 mm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4081 px × 3209 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |