Lemicule
From elanthipedia
There is no real world material bearing the name lemicule. It is a DragonRealms only stone.
Items containing this material may cast the Air Bubble spell.
Alteration Properties
Lemicule is often lumpy and is opaque and varies from a soft to a dark green.
It is a rare material that must be provided for alterations. Intricate detailing via carving is not possible though engraving is fine.