Raurg bones

The RuneScape Wiki also has an article on: rsw:Raurg bones

Raurg bones
Released							17 May 2005 (Update)
Members							Yes
Quest item							No
Properties
Tradeable							Yes
Equipable							No
Stackable							No
Noteable							Yes
Destroy							Drop
Examine							Ancient ogre bones from the ogre burial tomb.
Values
Value							1 coin
High alch							0 coins
Low alch							0 coins
Weight							0.8 kg
Grand Exchange
Exchange							5,596 coins (info)
Buy limit							7,500
Daily volume							-
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Advanced data
Item ID							4832

Raurg bones are bones available from ogre coffins, which will often break lockpicks and decrease players' thieving abilities upon opening using thieving methods.

Raurg bones give 96 prayer experience when buried, 336 Prayer experience when used on a gilded altar with both incense burners lit, and 384 Prayer experience when used with the Ectofuntus.