Shou Lung amethyst

Shou Lung amethyst was a corundum mineral more similar to ruby and sapphire than to the amethysts found in Faerûn. Kara-Tur was believed to be the source for these gem stones, where their properties were said to protect the nobility.

Description
The deep purple amethyst-like hue gave Shou Lung amethyst its name. A typical specimen had a base value of 1,000 gp.

Powers
These stones were rumored to have strong magical powers, but none have been documented.