Geode & Septarian Nodules only have polished split and heart-shaped cut, while Tiberium only has Spire and Heart-Shaped cut. Starting with the emerald cut, Sims gain cuts by cutting increasing numbers of gems. Gems may be sent to the gem-cutter by mail and cut into the following cuts. Large cuts of Tiberium gems do not morph into Large Spire cuts. No matter what the cut is, a non-large cut of Tiberium will grow into a Large Spire Cut within a day, giving it a value of around §40,000 or higher in some cases. Tiberium can be cut into 2 different forms:
In the inventory (either as ore or cut) it will give a negative 'Visceroidal Nausea' moodlet (-25 mood). It represents the Tiberium crystal in Command And Conquer: Tiberium Wars. Tiberium is an extraordinarily rare and potentially very valuable gem.