Sardonyx

(Rev. 21:20), a species of the carnelian combining the sard and the onyx, having three layers of opaque spots or stripes on a transparent red basis. Like the sardine, it is a variety of the chalcedony.

a name compounded of sard and onyx, two precious stones, varieties of chalcedony or agate. The sardonyx combines the qualities of both, whence its name. It is mentioned only in (Revelation 21:20) The sardonyx consists of “a white opaque layer, superimposed upon a red transparent stratum of the true red sard.” It is, like the sard, merely a variety of agate, and is frequently employed by engravers for signet-rings.

SAR'DONYX, only mentioned in Rev 21:20. Like the sardine, this stone is a variety of chalcedony. The sardonyx combines the qualities of the sard and onyx, whence its name. In this gem as used, a white opaque layer rests upon a transparent red stratum, as King states, or the reverse, according to Pliny. The sard and sardonyx are found in Judaea.

SAR'DONYX, only mentioned in Rev 21:20. Like the sardine, this stone is a variety of chalcedony. The sardonyx combines the qualities of the sard and onyx, whence its name. In this gem as used, a white opaque layer rests upon a transparent red stratum, as King states, or the reverse, according to Pliny. The sard and sardonyx are found in Judaea.

Part of speech: noun (n.)

A variety of onyx consisting of sard and white chalcedony in alternate layers.