Small Lustrous Pearl

Small Lustrous Pearl is a pearl commonly used in tradeskills.

Source
Small Lustrous Pearl can be found inside Small Barnacled Clams.

Blacksmithing

 * Green Iron Gauntlets
 * Pearl-handled Dagger

Jewelcrafting

 * Simple Pearl Ring
 * Moonsoul Crown

Leatherworking

 * Barbaric Bracers
 * Moonglow Vest

Tailoring

 * Heavy Woolen Cloak
 * Pearl-clasped Cloak