Argonite

Argonite ore is an item released with the Dungeoneering update. It can only be found in Daemonheim.

General
Argonite is Tier 7 metal, found deep in the tunnels of Daemonheim. It requires level 60 mining to mine Argonite ore, giving 100.5 experience. It can be smithed into an Argonite bar, which requires 60 smithing and gives 44.8 experience.