|Synthesis Category||Ore, Elixir, Supplement|
|Gathering Location||Hart Outpost, Endless Corridor, Hiyori Tunnel, Yuvel|
|Buy From||Pamela's Shop|
- "It looks like a normal rock, but when you refine it you can extract Elixir ingredients from it. People used to think it was just some useless stone."
- — Atelier Meruru description
Worthless Rock is a material in Atelier Meruru: The Apprentice of Arland.
It is found in a few different locations in the game, both early and in later years. All of these areas are close to Arls. Worthless Rocks can also be purchased from Pamela at her shop.
It is used to create Gold Nugget.