Bible Dictionaries
Sardonyx

Holman Bible Dictionary

(ssahr' doh nihx) Precious stone (Revelation 21:20 ), a form of agate. See “Onyx” under Minerals and Metals.

Bibliography Information
Butler, Trent C. Editor. Entry for 'Sardonyx'. Holman Bible Dictionary. https://www.studylight.org/​dictionaries/​eng/​hbd/​s/sardonyx.html. 1991.