Min. Also -yte, -eite. [Named (Quincyte) by Berthier in 1825, from its locality, Quincy in France.] Hydrous silicate of magnesium and iron, found in limestone in carmine-red particles.

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1835.  Shepard, Min., II. 151. Quincyte. Massive, composition granular.

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1837.  Dana, Min., 257. Quincite of Berthier, is a red colored substance, which is disseminated through a limestone deposit … in France.

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