An Occurrence of Grunerite at Pierrefitte, Hautes-Pyrénées, France

Harry V. Warren

Queen's College, Oxford

Mineralogical Magazine; March 1931 v. 22; no. 132; p. 477-481; DOI: 10.1180/minmag.1931.022.132.04
© 1931, The Mineralogical Society
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