= sardonyx, n.

A variety of cornelian, n.1, varying in colour from pale golden yellow to reddish orange.

A precious stone mentioned in Revelation iv. 3. In the non-Biblical examples perhaps used for sardoin, n.

A precious stone mentioned by ancient writers; see sard, n.1 (Chiefly in translations of or allusions to the Bible or classical writers.)

= Sardian, adj. Sardic stone = sard, n.1

Of or pertaining to Sardis.

= Sardian stone at sense A. (see A.), sard, n.1

Any of several minerals resembling or related to opal; esp. a variety of yellow chalcedony which has an opaline semi-opacity.