A close-up view of agate. Agate is a form of the mineral quartz (silicon oxide). The colors are due to metal ion impurities as the mineral formed | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsman, Ted |
Bildgröße: | 3750 px × 2500 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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