sardonichus

sardŏnyx, ychis, m. and f., = sardonux, a precious stone, sardonyx; fem., Plin. 37, 6, 23, § 85; Pers. 1, 16; Juv. 7, 144. — Masc., Juv. 6, 382; Mart. 4, 28, 4; 4, 61, 6. — Gen. plur. sardonychum, Juv. 13, 139.— Hence, adj.: sardŏnĭchus, a, um, of sardonyx:

lapis,

Vulg. Job, 28, 16.