It was first described in 1888 for an occurrence on Socotra Island, Aden Governorate, Yemen and named for German explorer Emil Riebeck (1853–1885).
Carl Gustaf Emil Mannerheim | Emil Nolde | Emil Adolf von Behring | Hermann Emil Fischer | Emil Gilels | Emil Fischer | Emil Schult | Emil Constantinescu | Emil Brumaru | Franz Joseph Emil Fischer | Emil Viklický | Emil Steinberger | Emil Rödiger | Emil Nofal | Emil Młynarski | Emil Jakob Schindler | Emil Holub | Emil Haury | Emil Ghuri | Emil du Bois-Reymond | Emil Beaulieau | Emil Zátopek | Emil von Sauer | Emil Theodor Kocher | Emil Savundra | Emil River | Emil Lederer | Emil Kraepelin | Emil Knoevenagel | Emil Kapaun |