(Heb. achlamah) a subspecies of quartz of a bluish-violet color. Mention is made of this precious stone, which formed the third in the third row of the high priestly breastplate, in (Exodus 28:19; 39:12) It occurs also in (Revelation 21:20)
·- A purple color in a nobleman's escutcheon, or coat of arms. II. Amethyst ·- A variety of crystal...
Webster's Dictionary of the English Language
One of the precious stones in the breastplate of the high priest (Ex. 28:19; 39:12), and in the foun...
Easton's Bible Dictionary