Barite and limonite crystals. Intertwined tabular crystals of barite (white) partially overgrown with a yellow brown encrustation of limonite. Barite is a barium sulphate mineral and is the main source of barium. Limonite is an important iron-bearing ore. It is not a true mineral but is a mixture of similar iron oxide and hydroxide minerals,including goethite,lepidocrocite and jarosite. This sample is from the Winterberg quarry,Bad Grund,Harz mountains,Germany | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5197 px × 3465 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |