metal ores

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The detection and separation of arsenic associated with antimony and tin
F. A. Gooch and B. Hodge

American Journal of Science May 1894, s3-47 (281) 382-385; DOI: https://doi.org/10.2475/ajs.s3-47.281.382
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Contributions to the crystallization of willemite
Samuel Lewis Penfield

American Journal of Science April 1894, s3-47 (280) 305-309; DOI: https://doi.org/10.2475/ajs.s3-47.280.305
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On the separation of copper from cadmium by the iodide method
P. E. Browning

American Journal of Science October 1893, s3-46 (274) 280-283; DOI: https://doi.org/10.2475/ajs.s3-46.274.280
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On some minerals from the manganese mines of St. Marcel, in Piedmont, Italy
S. L. Penfield

American Journal of Science October 1893, s3-46 (274) 288-295; DOI: https://doi.org/10.2475/ajs.s3-46.274.288
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Electro-chemical effects due to magnetization
G. O. Squier

American Journal of Science June 1893, s3-45 (270) 443-458; DOI: https://doi.org/10.2475/ajs.s3-45.270.443
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The occurrence of hematite and martite iron ores in Mexico; with notes on associated igneous rocks by Whitman Cross
Robert Thomas Hill

American Journal of Science February 1893, s3-45 (266) 111-119; DOI: https://doi.org/10.2475/ajs.s3-45.266.111
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Separation of iron, manganese and calcium by acetate and bromine methods
R. B. Riggs

American Journal of Science February 1892, s3-43 (254) 135-140; DOI: https://doi.org/10.2475/ajs.s3-43.254.135
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Turquois in southwestern New Mexico
Charles H. Snow

American Journal of Science June 1891, s3-41 (246) 511-512; DOI: https://doi.org/10.2475/ajs.s3-41.246.511
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On the magnetite ore districts of Jacupiranga and Ipanema, Sao Paulo, Brazil
O. A. Derby

American Journal of Science April 1891, s3-41 (244) 311-321; DOI: https://doi.org/10.2475/ajs.s3-41.244.311
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On the occurrence of nitrogen in uraninite and on the composition of uraninite in general
W. F. Hillebrand

American Journal of Science November 1890, s3-40 (239) 384-394; DOI: https://doi.org/10.2475/ajs.s3-40.239.384

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