Shandon Gem

Shandon Gems are valuable gems in the game which may be found. This item appears in Baldur's Gate (game), Baldur's Gate: Enhanced Edition, Baldur's Gate II: Shadows of Amn and Baldur's Gate II: Enhanced Edition.

In-game description
"Shandon is another name for natrolite in the Realms; its slender, colorless crystals yield tiny faceted gems used often in veils and robes in order to capture the beading effect of water glistening upon the material."