In which minerals does beryllium exist?

Beryllium is known to occur in ten different oxide minerals, this article will introduce the methods to extract it from extracted from the mineral beryl (and bertrandite).

Beryllium can elicit a strong cellular immune response in vivo. Chronic beryllium disease is an allergic reaction of the delayed type, in which beryllium appears to act as a hapten that binds to peptides on mucosal surfaces.

Beryllium, Be, is the first element in the second main group of the periodic table. It is a light metal with a hexagonal-closest-packed (hcp) structure.