Magicite is the combination of "Magic" and "-ite". The suffix ite is derived from the Greek word lithos (from its adjectival form -ites), meaning "rock" or "stone".
Usage
See Special:Whatlinkshere/Etymology:Magicite for a list of articles using this term.
This is an etymology page: a page detailing the origins of terminology used in the series in regards to real world culture and history.