molybdophyllite
noun
mo·lyb·do·phyl·lite
məˌlibdōˈfiˌlīt
plural -s
: a mineral (Pb,Mg)2SiO4.H2O(?) consisting of a hydrous lead magnesium silicate
Word History
Etymology
International Scientific Vocabulary molybd- + phyll- + -ite; from its occurrence in foliated masses