fuchsite

[ fyook-sahyt, fook- ]
/ ˈfyuk saɪt, ˈfuk- /

noun Mineralogy.

a bright green variety of muscovite having chromium in place of some of the aluminum.

Origin of fuchsite

1835–45; < German Fuchsit; named after J. N. von Fuchs, 19th-century German geologist; see -ite1