Selenite. View of a sample of selenite,a form of gypsum (hydrated calcium sulphate). Gypsum is a common mineral deposit of precipitated salt (sedimentary evaporite). It is used in the making of plaster of Paris for construction,as a retarder in Portland cement,as a flux for pottery and as a fertilizer. This sample is from the Isle of Sheppey,Kent,England | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Land, Martin |
Bildgröße: | 4878 px × 3595 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |