This semi-precious stone was carved for jewelry and decorative housewares and was hard enough to wear well. It was often used for sculpting figurines (including the magic onyx dog). A typical specimen had a base value of 50 gp.
There were "nine secrets" that could be enchanted to become an ioun stone and onyx was one of them. Physical contact with onyx helped reduce complications and pain during childbirth. Onyx gems were used by wizards to animate dead as zombies or other undead servants.
- Onyx was a common stone among the drow, a gem worn by drow of average station, albeit they used only black ones.
- Within the tomb of King Haedrak II stood an onyx statue of the ruler.
Rumors and Legends
The lesser drow deity Vhaeraun was known to occasionally send onyx to show his favour or disfavour to his followers. Similarly, black onyx was sacred to the Chultan demigod Eshowdow, and he valued unholy items made of it.
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