The Beryl Group has its own group with:
Aquamarine - Blue / Green variety from Beryl.
Blue Beryl (Maxixe) - Deep blue Beryl.
Emerald - Deep green variety from Beryl.
Goshenite - Colorless variety from Beryl.
Heliodor - Yellow variety from Beryl.
Morganite - Pink variety Beryl.
Red Beryl - Red variety of Beryl, also called Bixbite
Riesling Beryl - A strongly dichroic (pale green / golden yellow) beryl.
Vorobyevite - A cesium-bearing variety of beryl.
Beryl has a Chrysoberyl subgroup with:
Alexandrite - A variety of Chrysoberyl which displays a color change.
Cymophane - Chrysoberyl Cat'e eye.