Crossword clue: a mystical word used as a charm and engraved on gems among the ancients; also, a gem stone thus engraved.

The most common answer is abraxas (7 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

abraxas 7 letters web-def

A mystical word used as a charm and engraved on gems among the ancients; also, a gem stone thus engraved.