strengite
noun
streng·ite
ˈstreŋˌīt
plural -s
: a mineral FePO4.2H2O consisting of a hydrous iron phosphate, occurring mostly in pale red botryoidal masses, and being isomorphous with variscite (specific gravity 2.87)
Word History
Etymology
German strengit, from Johann A. Streng †1897 German mineralogist + German -it -ite