Be₃Al₂(SiO₃)₆

This sample of goshenite is displayed in the Smithsonian Museum of Natural History. Goshenite is a near-colorless variety of beryl with composition Be₃Al₂(SiO₃)₆. These gems are 41.7 and 61.8 carats and are from Minas Gerais, Brazil.

This sample is described as goshenite with albite. It is about 3x4 cm and is from Pech, Northern Areas, Pakistan.