flinkite
noun
flink·ite
ˈfliŋˌkīt
plural -s
: a mineral Mn3(AsO4)(OH)4 consisting of a greenish brown basic manganese arsenate in feathery forms (specific gravity 3.87)
Word History
Etymology
German or Swedish flinkit, from Gustaf Flink †1931 Swedish mineralogist + German or Swedish -it -ite