ferberite (ferberit)

[After R. Ferber of Gera, Germany.] A tungstate of iron with a little manganese, found in cleavable ma es in Sierra Almagrera in southern Spain. ferdit, p. a. A Middle English form of feard. ferd1t, n. [ME., Stinting in my tale For ferde. Chaucer , Death of Blanche, 1. 1214. But the freike for ferd fled of his gate, ffru het thurgh the folke forth of his sight. Destruction of Troy (E. E. T. S.), 1. 6695.