Microcline mineral. Microcline, a potassium-rich alkali feldspar, is a silicate mineral common in granite and pegmatite igneous rocks. It can be clear

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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.

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Photo credit: © DIRK WIERSMA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: alkali, crystal, crystalline, crystals, earth, feldspar, geological, geology, green, igneous, microcline, mineral, mineralogy, potassium, potassium-rich, rich, rock, science, silicate, sodium