There are at least four bands with this name:
One of the crown jewels of the Holland Heavy Metal scene!
We have to go back to the mid 70s to find the origin of Emerald. At this time the 2 school friends Bert Kivits and Allard Ekkel decided to start a band and call it Warrior. Of course there were later a number of bands called Warrior, only in Holland alone there were a few of them. So at the end of ’83 the name is changed into Emerald, inspired by a song from Thin Lizzy. Read more on Last.fm