rathite
noun
rath·ite
ˈräˌtīt,
-ˌthīt
plural -s
: a mineral Pb13As18S40 consisting of a lead arsenic sulfide occurring in dark gray metallic orthorhombic crystals (hardness 3, specific gravity 5.4)
Word History
Etymology
German rathit, from G. vom Rath †1888 German mineralogist + German -it -ite