Fluorite crystals. Fluorite,or fluorspar,is a halide mineral composed of calcium fluoride (CaF2). Yellow varieties,as seen here,are rare. This specimen was found in Castleton,Derbyshire,UK,and measures about 80 mm across | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5082 px × 3467 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |