Garnet, corundum and other gem minerals from Umba
Subtitle: Tanzania
By: [by] P. C. Zwaan.
Series: Scripta geologica,; 20
Publisher: Rijksmuseum Van Geologie en Mineralogie
Published: 1974
Place of publication: Leiden
Language: eng
Number of pages: 41
Subjects: Garnet -- Tanzania.; Corundum -- Tanzania.; Precious stones -- Tanzania.
Notes: Bibliography: p. 40-41.
Cover title.