אַחְלָמָה (ʼachlâmâhakh-law'-mawnoun|feminineamethyst)
[Heb] אַחְלָמָה ETCBC: אַחְלָמָה‎ (subs|jaspis) OSHL: a.co.ad TWOT: 67b GK: H334 Greek: ἀμέθυστος
Derivation: perhaps from חָלַם (and thus dream-stone);
Strong's: a gem, probably the amethyst
KJV: amethyst.