I.—On the Determination of the Minerals in Thin Sections of Rocks by Means of Their Indices of Refraction

H. C. Sorby

President G.S., etc., etc.

Mineralogical Magazine; March 1878 v. 2; no. 8; p. 1-4; DOI: 10.1180/minmag.1878.002.8.04
© 1878, The Mineralogical Society
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