XXIII.—On the Occurrence of Celestine in New Red Marl, near Sidmouth

Spencer George Perceval

Communicated by F. W. Rudler, F.G.S.

Mineralogical Magazine; March 1880 v. 3; no. 16; p. 255; DOI: 10.1180/minmag.1880.003.16.03
© 1880, The Mineralogical Society
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