Note sur la columbo-tantalite et béryl à Madagascar | Libros

Emerald and other beryls

John Sinkankas

1981

Beryl

John Sinkankas

1986

Production of beryllium oxide from beryl ..

Ernest Albert Winter

1939

Geology and beryl deposits of the Peerless pegmatite, Pennington County, South Dakota

United States Geological Survey

1957

The interdependence of the chemical compositions and the physical properties of non-pegmatite beryl from the Snake Range of eastern Nevada

Richard E Van Loenen

1993

Os pegmatitos beril-tantalíferos da Paraiba e Rio Grande do Norte, no nordeste do Brasil

W. D. Johnston

1945

Berill

V. G. Feklichev

1964

Beryl resources of New Hampshire

James J. Page

1962