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First named in 1821 by Lardner Vanuxem and william H. Keating, but not described. Thomson (1836) supposed it was named [from the Greek?] "in consequence of the difficulty of decomposing this mineral by fusing it with carbonate of soda." and provided a chemical analysis that would seem to be of a zincian hercynite and not a gahnite. Dysluite remained as a yellow green variety of gahnite or possibly a valid species long after Vanuxem and Keating seemingly abandoned it after 1824. The color of the mineral was unlike either gahnite or automalite. After Alger (1844) maintained dysluite, Silliman, Jr. (1844) criticized dysluite remaining in his book and Alger (1846) agreed that the mineral was not a separate species.
A synonym of Gahnite
Yellow green octahedral crystals

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Vanuxem, Lardner and Keating, William H. (1821), Journal of the Academy of Natural Sciences of Philadelphia, Journal, v. 2: 277-288.
Vanuxem, Lardner and Keating, William H. (1824), Observations upon Some of the Minerals Discovered at Franklin, Sussex County, New Jersey, Journal of the Academy of Natural Sciences of Philadelphia, v. 4, p. 3-11.
Troost, Gerard (1824) Observations on the Zinc Ores of franklin and Sterling, Sussex County, New Jersey, Journal of the Academy of Natural Sciences of Philadelphia, v. 4, p. 220-231.
Shepard, Charles Upham (1835) Treatise on Mineralogy, Hezekiah Howe, New Haven, volume 1, p. 158, volume 2, p. 176.
Thomson, Thomas (1836) Outlines of Mineralogy, Geology, and Mineral Analysis, Baldwin & Cradock, London, volume 1, p. 220.
Silliman, Jr., Benjamin (1844) Review of Alger's Phillips' Mineralogy, and Shepard's Treatise on Mineralogy, American Journal of Science, second series, v. , p. 333-351.
Alger, Francis (1846) Dysluite identical with Automolite, American Journal of Science, series 2, volume 1, p. 121-122.
Palache, Charles, Harry Berman, and Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, 7th edition, revised and enlarged: Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. p. 689.

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