|Release||3 March 2010 (Update)|
|Destroy||You will need to practice your non-combat skills to regain a piece of rock.|
|On death||Always kept outside Wild|
|Examine||A rock found when making potions.|
Strange rocks obtained by training Herblore are part of the Dahmaroc statue. Two Strange rocks from each skill are required to complete the statue, which can be built once per week. Strange rocks may be stored inside a statue collection bag.
Combining unfinished potions with secondary ingredients, including barbarian mixes; making unfinished potions; or by cleaning herbs.