Galenite and fluorite minerals. Galenite,a lead sulphide mineral and primary ore of lead has formed cubic crystals (black) on a base of fluorite (brown). Fluorite is a calcium fluoride mineral and an ore of fluorine. This sample measures 180 millimetres across | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5184 px × 3401 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |