There are many special materials that can create unique items.

Item Creation

Although magical items are rare, there are many special materials that can be used to create items. With the appropriate proficiencies player characters can help in the creation of expensive items or create simpler items themselves. The following are rules for crafting.

These are the changes I usually make when DM'ing. Other than the racial restrictions these are not setting specific.

Spellstone (AKA magicite) is a quartz-like crystal that can store patterned anima. It comes in various forms, depending on the source and the levels of refinement. Charging a spellstone consumes a spell slot--the more powerful the slot the greater the effect. When a spellstone is used, it crumbles to dust.