Crystallogenic and Crystallographic Contributions; on the Feldspar Group of Minerals; Supplementary to Art. XXIX, on the Chemical Formulas of Silicates
Dana, J. D. (1867). Crystallogenic and crystallographic contributions; on the feldspar group of minerals; supplementary to Art. XXIX, On the chemical formulas of silicates. American Journal of Science, s2-44(132), 398–409. https://doi.org/10.2475/ajs.s2-44.132.398