The illustrated encyclopedia of minerals & rocks /
Kour̆imský, Jir̆í.
Tvrz, Frantis̆ek.
Lucas, Randolph.
Gissing, Vĕra.
London Octopus Books
1977
Originally published: in Czech. Prague : Artia, 1977
Bibliography: p.345. - Includes index
Mineralogy.