schönfelsite

\\ˈshōnˌfelˌzīt, ˈshə(r)n-\ noun (-s)

Etymology: German schönfelsit, from Altschönfels, Saxony, Germany + German -it -ite

: a feldspar-free basalt with phenocrysts of olivine and augite in a dense groundmass of titanomagnetite, orthorhombic pyroxene, apatite, interstitial brown glass, and traces of basic plagioclase