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Red sandstone

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Red sandstone detail

Red sandstone is the ingredient used to create robust glass after As a First Resort.... It requires 81 Mining to obtain; this requirement is boostable.

Completing the quest As a First Resort is not required to mine red sandstone. However, the quest As a First Resort is required in order to melt red sandstone to create robust glass using the robust glass machine.

Mining this yields 70 experience per block, but players are only able to mine a maximum of 75 red sandstone per day, which resets at midnight UTC. Note that even though only 75 can be mined per day, there is no limit to the amount of robust glass that can be created per day. There is no level requirement to make robust glass.

Uncut gems and strange rocks can be received from mining red sandstone. 


Red sandstone can be mined in two locations, one near Oo'glog, and another near Sophanem which is only available after completion of the elite Desert tasks.

Red Sandstone Locations
Location Map Sandstone Per Day
Oo'glog red sandstone mine
North of Oo'glog
Red sandstone mine location
Sophanem red sandstone mine
East of Sophanem
(Requires elite Desert tasks)
Sophanem red sandstone mine location
Total available daily:


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Shooting StarEdit

It is possible to mine more than the maximum daily amount with the reward from shooting stars, which gives the player a chance of receiving double ore. Assuming the player is mining all the red sandstone available, the effect of the reward given by the shooting stars will allow the player to mine about 34 extra pieces per day. (Despite the shooting star bonus granting double ore, Varrock armour does not allow you to mine multiple pieces of red sandstone.)

Resourceful auraEdit

The Resourceful aura can be used to slow the depletion of the rock so that additional red sandstone can be obtained per day, beyond the maximum of 50 in Oo'glog and 25 in Sophanem.

Collector's Insignia Edit

The Collector's insignia can also be used to slow the depletion of the desert red sandstone rock, however it doesn't appear to work in the Oo'glog location; this is likely a bug.


  • According to Rutmir Arnhold, the walls of Oo'glog are composed of red sandstone, but the ogresses won't let anyone mine them for obvious reasons.
  • Red sandstone alludes to the parallels Oo'glog has with the Australian outback, a remote, rural area in which the topsoil is red.
  • On the day of release, red sandstone was tradeable, but this was changed by an update to prevent an excessive influx and a decrease in prices for flasks.
  • Unlike the animation for mining concentrated ore, which continues as if no ore was mined until the player's inventory is full or the deposit is emptied, the animation for red sandstone restarts after each successful attempt.
  • On 7 September 2012, the rock from which you mine was moved a few squares south.

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