hieracitis

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

hĭĕrācītis, ĭdis, f., = ἱερακῖτις (hawk-stone),

a precious stone , otherwise unknown, Plin. 37, 10, 60, § 167; 37, 11, 72, § 187.