Min. [Named 1834, after Juncker, director of the mine where it was found: see -ITE.] A synonym of SIDERITE.
186572. Watts, Dict. Chem., III. 444. Junkerite, spathic iron ore.
1868. Dana, Min. (ed. 5), § 725. Junckerite
proved to be only common spathic iron.