Microcline mineral. Microcline,a potassium-rich alkali feldspar,is a silicate mineral common in granite and pegmatite igneous rocks. It can be clear,white,yellow,red or green,as here. This sample measures 40 millimetres high | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5062 px × 3504 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |