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 and the weapon is treated as adamantine for the purpose of overcoming the damage reduction of constructs.

Prerequisites: Craft Magic Arms and Armor, disintegrate.
Cost to Create: 1,500 gp, 120 XP, 3 days.