Tooth half of a key detail

The tooth half of a key is an item dropped by any NPC that drops gems. They can be found in the chest in Taverley, the barrows chest or the evil tree rewards. It is also a reward from the Gnome Restaurant minigame, although much more infrequently than the loop half. This item can also be obtained through the fishers in Miscellania, which is also quite rare. A tooth half of key may also be looted from magpie implings and fire spirits along with the loop half of key.

The tooth half of a key is used with a loop half of a key to make a crystal key. Doing so will grant you 10 Crafting experience. This is used to unlock the Crystal chest, which contains a dragonstone, and other items.

The Tooth half of a key was subject to a huge increase in price over a period of about seven days, caused by a merchant clan. This peaked on 28 May 2009, when it reached a Grand Exchange market price of 105.9k, more than two times that of the original stable price, which was around 50k. This was caused by an identical rise in the price of uncut dragonstone, which was the result of a merchant clan buying out uncut dragonstones, as uncut dragonstones are most commonly obtained through use of the crystal key, an item in which the Tooth half of a key is a part of. This was arguably one of the most influential merchant clan 'attacks' since the release of the Grand Exchange as many monsters drop the Tooth half of a key. As with most merchant clan buy outs, the item returned to a stable price.

Before the introduction of the Grand Exchange, both halves of the crystal key sold for the same price, at around 20,000-30,000 coins each. However, with the Grand Exchange, the tooth half of the key was perceived to be rarer than the loop half, and it became more expensive.

After the release of Dragonstone armour, the price of the crystal key skyrocketed due to the high price of the armour.

Drop sources

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For an exhaustive list of all known sources for this item, see here.
Source Combat level Quantity Rarity
Crystal chestN/A1Common
Crystal implingN/A1Common
Crystal impling jarN/A1Common
Motherlode MawN/A1Common
Columbarium keyN/A1Rare
Gnome RestaurantN/A1Rare
Magpie implingN/A1Rare
Mahogany casketN/A1Rare
Oak casketN/A1Rare
Rare drop tableN/A1Rare
Teak casketN/A1Rare
Medium parcelN/A1Uncommon
Professor OnglewipN/A1Uncommon
Rare drop tableN/A1Uncommon
Shiny columbarium keyN/A1Uncommon
River trollN/A1Unknown
Mystery boxN/A1Very rare


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