On the Relations between the Solution-Planes of Crystals and Those of Secondary Twinning; and on the Mode of Development of Negative Crystals along the Former. A Contribution to the Theory of Schillerization

Prof. John W. Judd

Mineralogical Magazine; December 1886 v. 7; no. 33; p. 81-92; DOI: 10.1180/minmag.1886.007.33.15
© 1886, The Mineralogical Society
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