7.5 - 8.0.
North and South America, Northern Europe, East Africa, South Africa, Himalayan Asia, and most notably, Colombia. The beryl family of gemstones is composed of emerald, aquamarine, morganite, heliodor, goshenite, and the rare bixbite (red beryl). These are some of the most valued of all colored gemstones.
Blue to blue-green (aquamarine), dark blue beryl (irradiated), green (emerald), light green (green beryl), greenish yellow to golden yellow (heliodor), peachy pink (peach beryl), pink (morganite), red (red beryl), and colorless (goshenite).
Red beryl and yellow-green beryls are not enhanced. Refer to the specific pages for enhancements of other types of beryl.