lindackerite
noun
lin·dack·er·ite
linˈdakəˌrīt
plural -s
: a light green mineral Cu6Ni3(AsO4)4(SO4)(OH)4.5H2O consisting of a hydrous basic nickel copper sulfate and arsenate and occurring either as tabular crystals or massive
Word History
Etymology
German lindackerit, from Joseph Lindacker, 19th century Austrian chemist who analyzed it + German -it -ite