LANDESITE

ˈlandəˌsīt noun

( -s )

Etymology: Kenneth K. Landes b 1899 American geologist + English -ite

: a mineral Fe 6 Mn 20 (PO 4 ) 16 .27H 2 O(?) consisting of a rare hydrous ferromanganese phosphate occurring as a brown alteration crust on reddingite