Uncommon gem rock

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For other gem rocks, see gem rock.

Uncommon gem rocks are rocks containing gems. They can be mined by players with a Mining level of 20 or higher, although the full drop table is only available at level 34.

The gem bag (requires 25 Crafting and Dungeoneering, costs 2,000 Dungeoneering tokens) is excellent to have when mining these, as it can hold any type of gem they yield, up to 100 total, greatly extending trips.

Due to the relatively low value and high abundance of sapphires, they could be cut for Crafting xp, then dropped or made into stackable sapphire bolt tips with Fletching to save space. However, if you attempt to fletch bolt tips during mining, the fletching action will be cancelled; cutting uncut gems does not have this issue.

The average ratio for the gems while mining (with level 34 mining or higher) at the uncommon gem rocks is 50% sapphires, 30% emeralds, and 20% rubies. While values may fluctuate due to chance on individual trips, these numbers are true for long mining sessions.

Using the above ratios, if a player cuts all the gems they collect, they will receive an average of 62.25 crafting experience per gem, or 65.985 crafting experience with the artisan's outfit. These experience values are useful when calculating how many gems to collect for reaching desired crafting levels.

Mining[edit | edit source]

Uncommon gem rock.png Uncommon gem rock
Mining levelMining-icon.png 20
OutputUncut sapphire.png Uncut sapphire
Uncut emerald.png Uncut emerald
Uncut ruby.png Uncut ruby
CoreX mark.svg
Rock stats
Durability140
Hardness15
Multiplier0.7
Base ore1

Locations[edit | edit source]

Mine Members Amount Requirements
Al Kharid mine F2P icon.png 4 None

Loot[edit | edit source]

  1. ^ Higher if mining level isn't high enough for any of the other gems.
  2. ^ Available at or above mining level 27. Chance increases if mining level is less than 34.
  3. ^ At or above mining level 34.

Update history[edit | edit source]

The update history project is a work-in-progress – not all updates to this topic may be covered below. See here for how to help out!
  • hotfix 18 February 2019 (Update):
    • The hitpoints of lower-level gem rocks have been reduced in line with earlier fixes to Prifddinas gem rocks.