phoenicochroite
/ˌfiːnɪˈkɒkrəʊʌɪt/Mineralogy
noun
A mineral of the monoclinic crystal system which consists of an oxide of lead and chromium, Pb2CrO5, and occurs as dark red masses.
Origin
Mid 19th century; earliest use found in James Nicol (1810–1879), geologist. From German Phönikochroit from ancient Greek ϕοινικο-, combining form of ϕοινικ-, ϕοῖνιξ dark red + -χροος -coloured + German -it.