On the chemical composition of triphylite

Samuel Lewis Penfield

doi:10.2475/ajs.s3-17.99.226

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Penfield, S. L. (1879). On the chemical composition of triphylite. American Journal of Science, s3-17(99), 226–229. https://doi.org/10.2475/ajs.s3-17.99.226

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On the Chemical Composition of Triphylite