Noah Webster's Dictionary (n.) A variety of carnelian, of a rich reddish yellow or brownish red color. See Chalcedony.

Multi-Version Concordance Sard (1 Occurrence) Revelation 4:3 that looked like a jasper stone and a sardius. There was a rainbow around the throne, like an emerald to look at. (Root in WEB KJV WEY ASV BBE DBY WBS YLT NAS)