Erythrite
From elanthipedia
Items containing this material may cast the Rejuvenation spell.
Alteration Properties
In DragonRealms, erythrite is a stone that has an appearance similar to quartz and is typically striped violet and pink. It has no other associations with the real life erythrite.
It is a very rare material that must be provided for alterations. Intricate detailing via carving is not possible though engraving is fine.