South African Occurrences of Willemite. Fluorescence of Willemite and Some Other Zinc Minerals in Ultra-Violet Rays

L. J. Spencer

Mineralogical Magazine; December 1927 v. 21; no. 119; p. 388-396; DOI: 10.1180/minmag.1927.021.119.04
© 1927, The Mineralogical Society
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