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.
1835. Shepard, Min., II. 151. Quincyte. Massive, composition granular.
1837. Dana, Min., 257. Quincite of Berthier, is a red colored substance, which is disseminated through a limestone deposit in France.