Columbite from Mashad Pegmatites, a First Record in Iran

H. Khalili

Geology Department, Faculty of Sciences, Ferdousi University, Mashad, Iran

Mineralogical Magazine; March 1977 v. 41; no. 317; p. 132-133; DOI: 10.1180/minmag.1977.041.317.23
© 1974, The Mineralogical Society
Mineralogical Society (www.minersoc.org)