Regalite is a name sometimes attributed to the extremely rare blue jasper. It is comprised of the Latin stem regal- (from regis, "king"), and the Greek suffix -ites (ultimately from lithos, "stone"). Thus, regalite might roughly translate to "king's stones".
Usage
See Special:Whatlinkshere/Etymology:Regalite 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.