Coal bag

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Coal bag detail.png
Open coal bag detail.png

The coal bag is a reward purchasable from Prospector Percy's Nugget Shop for 100 golden nuggets. The coal bag holds up to 27 pieces of coal (36 if a smithing cape is equipped). When smelting or superheating, coal in the bag will be used after the coal in the inventory. It is refillable just like the rune essence pouch, though unlike an essence pouch, it does not degrade. This is useful for both mining and smithing as it effectively doubles the amount of coal a player can carry and thus the number of bars a player can make per inventory of ore.

Players can right-click to open the bag, which will have coal that the player mines from a coal rock be automatically placed inside the bag, providing there is space for it.

Only one coal bag may be in the player's possession at any time. It cannot be traded or dropped but it can be destroyed if it is empty. Players may sell their coal bag back to Percy in exchange for golden nuggets equal to 80% of its original cost.

Warning: Attempting to use alchemy spells on the coal bag will destroy it regardless of whether or not there was any coal in it.

Those saving up for the Prospector kit to complete the Falador Hard Diary may wish to save their gold nuggets until they obtain all 180 needed for the Prospector kit, buy it to complete the task, and then sell it back for 80% of their nuggets and buy the coal bag, though keep in mind the set is also useful for a master clue step and for faster exp rates.

Note: Coal placed inside the bag will not add additional weight to your character until removed from the coal bag.

Optimal inventory setup[edit | edit source]

In the following charts, the first column identifies the type of bar to be made, the second indicates how many pieces of coal should be in each bag, the third represents how many of the primary ore (Iron, Lovakite, Mithril, Adamantite, Runite) is required, the fourth represents how many free inventory slots remain because they were not needed for ore or coal, the fifth shows how many bars are produced, and the last indicates the experience received from smelting the full load if the coal in the bag is used.

Note that smelting some of the higher ores leave several free inventory spaces. To make the best use of inventory space, the ores should be mixed instead of using just the one type of ore. For example, using 27 + 20 coal, 7 adamantite ore, 1 mithril ore, and 1 iron ore at a normal furnace would leave no empty inventory space. This method however takes more clicking.

Blast Furnace (starting with an empty inventory)

Bar Type Coal Needed (In Bag+In Inventory=Total) Primary Ore # of Free Inventory Spaces Bar Yield Smithing Experience
Steel bar.pngSteel 27 + 0 = 27 27 Iron ore.pngIron ore 0 27 472.5
Mithril bar.pngMithril 27 + 9 = 36 18 Mithril ore.pngMithril ore 0 18 540
Adamantite bar.pngAdamantite 27 + 12 = 39 13 Adamantite ore.pngAdamantite ore 2 13 487.5
Runite bar.pngRunite 27 + 13 = 40 10 Runite ore.pngRunite ore 4 10 500

Normal furnaces (starting with an empty inventory)

Bar Type Coal Needed (In Bag+In Inventory=Total) Primary Ore # of Free Inventory Spaces Bar Yield Smithing Experience Smithing XP without bag
Steel bar.pngSteel 27 + 9 = 36 18 Iron ore.pngIron ore 0 18 315 157.5
Lovakite bar.pngLovakite[1] 27 + 9 = 36 18 Lovakite ore.pngLovakite ore 0 18 360 180
Mithril bar.pngMithril 27 + 13 = 40 10 Mithril ore.pngMithril ore 4 10 300 150
Adamantite bar.pngAdamantite 27 + 15 = 42 7 Adamantite ore.pngAdamantite ore 5 7 262.5 150
Runite bar.pngRunite 27 + 21 = 48 6 Runite ore.pngRunite ore 0 6 300 150
  1. Can only be smelted in the Lovakite furnace in Lovakengj.

Superheat Item (starting with nature runes and a fire staff equipped)

Bar Type Coal Needed (In Bag+In Inventory=Total) Primary Ore # of Free Inventory Spaces Bar Yield Smithing Experience Magic Experience
Steel bar.pngSteel 27 + 7 = 34 17 Iron ore.pngIron ore 2 17 297.5 901
Lovakite bar.pngLovakite 27 + 7 = 34 17 Lovakite ore.pngLovakite ore 2 17 340 901
Mithril bar.pngMithril 26 + 14 = 40 10 Mithril ore.pngMithril ore 2 10 300 530
Adamantite bar.pngAdamantite 27 + 15 = 42 7 Adamantite ore.pngAdamantite ore 4 7 262.5 371
Runite bar.pngRunite 27 + 13 = 40 5 Runite ore.pngRunite ore 7 5 250 265

Store locations[edit | edit source]

This list was created dynamically. For help, see the FAQ.
To force an update of this list, click here.
SellerLocationNumber
in stock
Price
sold at
Price
bought at
Members?
Prospector Percy's Nugget ShopMotherlode Mine1Golden nugget.png 100Golden nugget.png 80Member icon.png

Changes[edit | edit source]

Date Changes
16 September 2020
(update | poll)
Players can now fill and empty a coal bag while inside their bank.
18 June 2020
(update)
The Coal Bag will now notify players of how many coal it is holding via the game chatbox rather than the chat dialogue box so as to prevent players from being interrupted.
5 March 2020
(update)
The opened variant's name was changed from "Opened coal bag" to "Open coal bag".
23 January 2020
(update | poll)
Open and close options have been added, which allows coal that the player mines be automatically placed inside the bag while opened, providing there is space for it.
22 February 2018
(update | poll)
Emptying the contents of the coal bag into the inventory can now be done by holding down shift and left-clicking it if shift-click dropping is enabled.
20 November 2014
(update | poll)
Coal bags now have an 'empty' option when you have the bank interface open.