Akademik

landesite
\\ˈlandəˌsīt\ noun (-s)
Etymology: Kenneth K. Landes b1899 American geologist + English -ite
: a mineral Fe6Mn20(PO4)16.27H2O(?) consisting of a rare hydrous ferromanganese phosphate occurring as a brown alteration crust on reddingite

Useful english dictionary. 2012.