The "Delft" system for mineral identification
By: R.A. Kühnel, J.J. Prins, and H.J. Roorda (Dept. of Mineral Technology, Delft University of Technology).
Contributors: Prins, J. J.; Roorda, H. J.; Technische Hogeschool Delft. Afdeling der Mijnbouwkunde.
Publisher: Delft University Press
Published: 1980
Place of publication: Delft
Language: eng
Subjects: Mineralogy, Determinative -- Handbooks, manuals, etc.
Notes: Includes index.
Table of contents: title: 1. Opaque minerals.