muckite

\\ˈməˌkīt, ˈmu̇ˌk-\ noun (-s)

Etymology: German muckit, from H. Muck, 19th century German mineralogist, its discoverer + German -it -ite

: a yellow resinous hydrocarbon that is a variety of retinite and that is found in a region of central Europe about the upper valley of the Oder river