Mother of pearl

Mother of pearl was the name in the Realms for small, cut and polished, trochus and turbo shells.

Moonshadow Hall, the temple of Selûne in Yhaunn, used mother of pearl in decorating its two ceremonial swords, the Waxing Crescent and the Waning Crescent.

Description
They were used for making buttons etc. and for inlay work. Unpolished, they were sold for as little as 5 cp per pound (0.45 kilograms). Cut and polished shells had a base value of 5 sp per pound.