Rutile and haematite in a quartz crystal. Rutile (orange,needle-shaped crystals) is a mineral largely composed of titanium dioxide. Haematite (grey crystals) is formed of iron (III) oxide,one of the most common iron ores. These two minerals are sealed in a matrix of clear quartz (silicon dioxide) crystal that measures 32 millimetres across | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5976 px × 4643 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |