Coal

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[FAQ] • [doc]

Coal is a resource that can be obtained through mining coal rocks or concentrated coal rocks, requiring level 30 Mining, in various places around RuneScape. Successfully mining coal gains the player 50 Mining experience. Coal is required to craft Elemental, Steel, Mithril, Adamant, and Rune bars. As players Mining level increases, they are able to mine coal at quicker rates.

81 pieces of coal may be stored with a coal bag, requiring only one inventory space. The coal bag may be purchased from Marmaros at Daemonheim for 4,000 Dungeoneering tokens.

Coal can be obtained from the Managing Miscellania event by having the player's subjects of Miscellania gather it for them. In order to gain coal, players must store an adequate number of coins in the coffers, and set the subjects to focus their efforts on mining. They will automatically mine coal and a few gems.

Coal is also a possible reward from Temple Trekking, and can sometimes be found inside barrels around RuneScape.

With level 29 Divination, 3 iron ore may be transmuted into a coal, consuming 2 bright energy yielding 6 Divination experience; this produces a gross profit of -1,177 coins.

MiningEdit

Coal
Mining level 30
Obtained from Coal rocks
Experience
Mining XP 50 XP
Tool XP 5.9 XP
Coal
Mining level 77
Obtained from Concentrated coal rocks
Experience
Mining XP 50 XP
Tool XP 5.9 XP

Mine locationsEdit

Main article: Coal rock

Respawn rateEdit

Coal, like all other mined rocks, respawns at a rate directly proportional to the number of people in the rock's RuneScape world. If the world is empty, the rock respawns in 1 minute; if it is full (with 2000 players), it respawns in 30 seconds. Thus the respawn rate of coal is

$60-\frac{3x}{200}$ seconds,

where x is the number of players in the world.

A table of respawn rates is given below.

Players 0 200 400 600 800 1000 1200 1400 1600 1800 2000
Respawn time 1:00 0:57 0:54 0:51 0:48 0:45 0:42 0:39 0:36 0:33 0:30

Store locationsEdit

This list was created dynamically. For help, see the FAQ.
Seller Cost Currency Base stock Members?
Drogo's Mining Emporium45Coins 0No
Ore Seller45Coins 100Yes
Ore Store45Coins 0Yes
Sani's Orefully Affordable Store45Zemomark10Yes

Dropping monstersEdit

This list was created dynamically. For help, see the FAQ.
For an exhaustive list of all known sources for this item, see here.
Source Combat level Quantity Rarity
Ancient mage1031–10Common
Ancient ranger1031–8Common
Ancient warrior1031–8Uncommon
Araxxi3000600Common
Arrg773Common
Automaton Generator 84; 11525Common
Automaton Guardian 84; 11525Common
Automaton Tracer 84; 11525Common
Avaryss, the Unceasing1000552–596Common
Bandit (Kharid Bandit Camp)541Common
Bandit (Pollnivneach)531Common
Bandit (Wilderness)181Uncommon
Bandit Brawler 112; 1181Uncommon
Barrel (Viyeldi caves)N/A1–4Rare
Black Guard 42; 471Uncommon
Blood reaver1086–12Uncommon
Bloodveld 61; 68; 922Uncommon
Borrokar391Uncommon
Capsarius1059–11Uncommon
Catablepon53; 543–7Rare
Chaos Giant12621–39Uncommon
Chaos dwarf 28; 47; 1011Common
Cockroach drone42Common
Cockroach soldier362Very rare
Cockroach worker301–2Uncommon
Crystal chestN/A150Always
Crystal chestN/A80Always
Demon Flash MobN/A80Common
Demon boss20080Common
Desert Lizard 35; 49; 631–2Uncommon
Dwarf9; 20; 56; 641Uncommon
Earth implingN/A6Uncommon
Festive crackerN/A1–50Common
Fire spiritN/A4Common
Freidir391Uncommon
General Graardor 210; 624115–120Common
General Graardor 210; 624153–187Uncommon
Giant ant soldier701–7Uncommon
Giant ant worker491–10Uncommon
Giant frog441Uncommon
Giant mole23040Unknown
Glowing crackerN/A25–100Common
Gnome RestaurantN/A12–22Rare
Goblin Raider56UnknownUncommon
Goblin statue705Uncommon
GregorovicN/A561–600Common
Grotworm634Common
H.A.M. Guard32; 441Uncommon
H.A.M. MemberN/A1–5Uncommon
Harpie Bug Swarm631Uncommon

[FAQ] • [doc]

ValueEdit

The market price of coal is currently 157 coins. Coal maintained an average stable price of 175 coins prior to June 2009, but gradually rose to over 300 coins in the middle of 2010. After free trade was reinstated on 1 February 2011, the price briefly fell to an average 160 coins, but continued to fluctuate near 250 coins until 2013.

On 19 October 2015, during the Invasion of Falador event, double experience was awarded from the Artisans Workshop. This caused the price of coal to rise dramatically, reaching an average Grand Exchange price of 492 coins on 24 October 2015, with a 7-day trading volume of 262,600,000.

A rework of Mining and Smithing was planned for September 2016,[1] however the rework has since been postponed to 2017 due to player feedback.[2] Coal was planned to only be required for lower tier bars; new secondary ingredients would be required for the new bars. This caused the price of coal to steadily decrease in value, maintaining a 30-day average of 178 coins during September 2016.

For players seeking profit from mining, Iron ore can be mined at a faster rate, and has a current Grand Exchange price of 374 coins; a price difference of 217 coins over coal. Because of this, many players prefer to mine iron instead.

TriviaEdit

• Coal is not an ore; ore requires extraction to obtain the element, whereas coal is found in its usable form.
• In RuneScape, coal rocks have a higher chance of awarding gems than other ore rocks; this is true for Earth as well, as coal beds can supply the needed carbon and pressure gems require to form.
• Coal can be obtained from Mobilising Armies by exploring for treasure with dwarven squads during a round. Players may also get coal as spoils of war.
• As a joke around Christmas time, some players give coal to other players saying it's because they have been very naughty this year, e.g. killing innocent guards, picking people's pockets, etc. This was turned on its head during the 2009 Christmas event, where the naughty NPC Tiny Thom was delighted to have been given a lump of coal due to its market value.
• Coal rocks in the Keldagrim north-east mine have not been updated like other rocks, remaining completely black when coal can be harvested from them.
• It's possible for two players to mine coal from the same rock.
• The examine text states "Hmm a non-renewable energy source!"; a joke on coal in real life, as it cannot be replenished once extracted.

ReferencesEdit

1. ^ Mining and Smithing Rework concept first look!. 14 June 2016.*
2. ^ Mod Osborne. "Mining & Smithing Rework Postponed." 29 July 2016. RuneScape News.