Beryl crystals, a selection of specimens of this crystallized mineral species. Beryl is a mineral, which has several varieties, such as aquamarine, goshenite, emerald, morganite, bixbite, heliodore, etc. Here many pieces of collection presented with a description, one or several photos and sometimes a video. These beryls are for sale. It is a beryllium silicate, a subgroup of the cyclosilicates, with the chemical formula Be₃Al₂Si₆O₁₈, and the hexagonal crystal system.