Franklinite,an oxide of zinc,iron and manganese,chemical formula (Zn,Fe,Mn)(Fe,Mn)2O4. This mineral with black metallic crystals belongs to the isometric crystal system of octahedrons which often have rounded edges. Host rock is calcite and the red mineral (top left) is zincite. From Franklin in New Jersey,USA. Width 90mm | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5125 px × 3417 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |