Quartz Core (SigMetal)

Introduction
List of crafting materials can be found in here.

Obtained from

 * Extract: SIGMetal orb/crystal.
 * Craft: From Request Crafting.

Used for

 * Craft: Crafting equipment using Professional Amity Crafting.
 * Craft: Crafting Quartz Core (Forcium) using Request Crafting.
 * Craft: Crafting Magic Damage Amplifier (Lv 5) using Request Crafting.