On Some Crystals of Quartz from De Aar (Cape Colony) and Other Localities

T. V. Barker
Communicated by Professor W. J. Lewis

Mineralogical Magazine; December 1903 v. 13; no. 62; p. 331-335; DOI: 10.1180/minmag.1903.013.62.06
© 1903, The Mineralogical Society
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