This blue-white diamond bears a tiny adamantine emblem of a hammer.

Demolition crystals were designed for those who fight constructs, particularly for the servants of wizards who battle enemy golems.
A weapon with this crystal attached deals an extra 1d6 points of damage to constructs.

Prerequisites: Craft Magic Arms and Armor, disintegrate.
Cost to Create: 500 gp, 40 XP, 1 day.