There are two different versions of the Mewtwonite.
If you are looking for the one that triggers Mega Evolution for Mega Mewtwo X, please see... Mewtwonite X
If you are looking for the one that triggers Mega Evolution for Mega Mewtwo Y, please see... Mewtwonite Y
This page is a disambiguation page, a navigation page that lists different articles that share the same title. If you were referred here from a link on another article, consider going back and changing the link to the intended page.