Large fossilised skull

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Large fossilised skull
Large fossilised skull.png
Released7 September 2017 (Update)
MembersYes
Quest itemNo
Properties
TradeableNo
EquipableNo
StackableNo
DestroyDrop
ExamineThis fossilised skull belongs in a museum!
Values
Value1 coin
High alch0 coins
Low alch0 coins
Weight0.907 kg
Advanced data
Item ID21608
Large fossilised skull detail.png

A large fossilised skull is a fossil that can be obtained by cleaning an unidentified large fossil on the fossil cleaning bench east of the Museum Camp on Fossil Island.

Uses[edit | edit source]

The large fossilised skull is one of the five fossils used to complete one of the five sub-displays making up the Leviathan in the Varrock Museum's paleontology exhibit.
The other fossils required are the large fossilised limbs, spine, ribs, and pelvis.
Each large display completed will give an antique lamp that gives 5,000 experience in any skill that is level 35 or higher, along with 2 kudos.

In addition, they can be used at the mycelium pool to be calcified into a large enriched bone via a chemical process that uses pyrophosphite and calcite. Whilst the reaction is happening in the pool, players must add additional pyrophosphite and calcite to maintain the chemical process, and pop bobbing fossils that surface around the pool, otherwise the fossils will become too exposed to air and dissolve. Once completed, players can open the sluice gate behind the Ancient Shroom, and check the rinsing pool to obtain the enriched bones. They are then used on the easternmost strange machine in the House on the Hill for 1500 Prayer experience.

Lastly, they can be used to give the ancient wyvern shield three charges, or traded to the Fossil Collector in exchange for 300 numulites.