Elemental Gem

Magic Item Image Wondrous item, uncommon

This gem contains a mote of elemental energy. When you use an action to break the gem, an elemental is summoned as if you had cast the¬†conjure elemental¬†spell, and the gem’s magic is lost. The type of gem determines the elemental summoned by the spell.

GemSummoned Elemental
Blue sapphireAir elemental
Yellow diamondEarth elemental
Red corundumFire elemental
EmeraldWater elemental