Beryl

Pegmatitos ambligonita, berilo, tantalíferos do Ceará, nordeste do Brasil

por W.D. Johnston, jr.

Emerald and Other Beryls

John Sinkankas

Note sur la columbo-tantalite et béryl à Madagascar

par Ranorosoa, Nadine.

Ternary diagrams of the quartz-feldspar content of pegmatites in Colorado

by James J. Norton.

Beryl resources of New Hampshire

by James J. Page and David M. Larrabee.

Vyrashchivanie kristallov berillievykh mineralov i issledovanie ikh svoĭstv: Sbornik nauchnykh trudov

Akademii͡a︡ nauk SSSR, Sibirskoe otdelenie, Institut geologii i geofiziki, ; [Redkol. A.A. Godovikov (otv. red.) ... et al.].

Beryl

John Sinkankas and Peter G. Read.

Beryl deposits of the Beecher No. 3-Black Diamond pegmatite, Custer County, South Dakota

by Jack A. Redden.

Production of beryllium oxide from beryl ...

by Ernest Albert Winter.

Berill: morfologii͡a, sostav i struktura kristallov

V. G. Feklichev