Nacrite from Hirvivaara, Northern Karelia, Finland

Oleg von Knorring, G. W. Brindley and K. Hunter
Department of Geology
Physics Laboratories The University of Leeds.

Mineralogical Magazine; September 1952 v. 29; no. 218; p. 963-972; DOI: 10.1180/minmag.1952.029.218.11
© 1952, The Mineralogical Society
Mineralogical Society (www.minersoc.org)