leadhillite
noun
lead·hill·ite
ˈledˌhiˌlīt
plural -s
: a monoclinic mineral Pb4(SO4)(CO3)2(OH)2 of a yellowish or greenish white color consisting of basic sulfate and carbonate of lead
Word History
Etymology
French, from Leadhills, Lanarkshire, Scotland + French -ite