MORAVITE

məˈrāˌvīt, ˈmōrəˌ- noun

( -s )

Etymology: Morav ia, former province in central Czechoslovakia + English -ite

: a mineral Fe 2 N,Fe) 4 Si 7 O 20 (OH) 4 consisting of a fine scaly black basic silicate of iron and aluminum of the chlorite group