Runite ore

Runite ore is an ore mined at level 85 mining. It can be used to make Runite bars with 8 coal at also 85  smithing. Runite ore is the hardest ore to obtain as it is usually found in the wilderness or other high-risk locations and it has an exceptionally(usually around 20 minutes) long respawn time, prompting most players to use to "World hop tactic" while mining.