Emerald, aquamarine, heliodor, bixbite, morganite and goshenite are all beryls.
Beryl is one of the most important mineral groups. It is abundant, but rarely occurs in transparent gem-quality material. Transparent specimens are referred to as 'precious beryl'. The most famous member of the beryl family is green emerald, followed secondly by blue aquamarine.
Beryl: Natural Precious Beryl Gemstone Group and Jewelry ...
Yes they are Emerald, aquamarine, heliodor, bixbite, morganite and goshenite are all beryls.
Beryl is a mineral composed of beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6. Well-known varieties of beryl include emerald and aquamarine. Naturally occurring, hexagonal crystals of beryl can be up to several meters in size, but terminated crystals are relatively rare. Pure beryl is colorless, but it is frequently tinted by impurities; possible colors are green, blue, yellow, red (the rarest), and white. Beryl is also an ore source of beryllium.