Ragium

Raginite is a mineral found in underground. This mineral is used to make alloys which have great thermal and electrical conductivity.

Azure Shard is pale blue crystal created from Amethyst and Lapis Lazuri. This shard is used to make Azure Steel, which provides better equipment than iron ones.

Deep Steel consists of Azure Steel and Resonance Debris. The latter is found in Deep Dark, or generated in Deepslate when Warden dies. This metal is as hard as Netherite and specialized in anti-warden equipment.

Crimson/Warped Crystals are extracted from nether trees. Crimson Crystal is used to explosives or fuels. Warped Crystal is used to teleportation systems.

Eldritch Pearl is a purple orb made from Crimson and Warped Crystal. This materials contains unknown energy that mutates objects it touched.