Mithril rock

A mithril rock, is a rock that can be mined through the Mining skill  to obtain Mithril ore. Mithril rocks can be mined with a Mining level of 55 or higher, granting 80 Mining experience and one Mithril ore.

Locations
Bandit camp mine - 22 rocks

Mining Guild - 5 rocks

West Lumbridge Swamp mine - 5 rocks

Al Kharid mining site - 3 rocks

Dwarven Mine - 2 rocks

Edgeville dungeon mine - 1 rock

North Crandor mine - 1 rock

South Crandor mine - 7 rocks

Ancient Cavern in the Mithril dragon area - 14 rocks

Desert Mining Camp underground mine - 5 rocks

Evil Chicken's Lair - 2 rocks

Fight Arena mine - 3 rocks

Grand Tree mine - 4 rocks

Heroes' Guild mine - 2 rocks

Jatizso mine - 16 rocks

Port Khazard mine - 2 rocks

TzHaar mine - 3 rocks