roesslerite
noun
roess·ler·ite
ˈresləˌrīt,
ˈrə(r)s-
plural -s
: a mineral MgH(AsO4)·7H2O consisting of a hydrous acid arsenate of magnesium
Word History
Etymology
German rösslerit, from Karl Rössler, 19th century resident of Hanau, Germany + German -it -ite
First Known Use
1862, in the meaning defined above