Addonizio is a Thief II: The Metal Age specific loot item and is very rare. It is used by the Mechanists in the manufacture of lenses. Noah Jerm, the lens grinder, was contracted by Cid Capezza to make a set of ten lenses of this material and some crystal chunks can be found in his workshop at Rampone Dockside Shipping. Natural formations of addonizio are scattered around The Maw of Chaos in the mission "Trail of Blood".
Most Common Value: 25 gems
Loot Type: Gems
Model Name: cryst-z
Origin: The crystal is named after a tester, Jeff Addonizio, who worked on the game.