Min. [Named 1834, after Juncker, director of the mine where it was found: see -ITE.] A synonym of SIDERITE.

1

1865–72.  Watts, Dict. Chem., III. 444. Junkerite, spathic iron ore.

2

1868.  Dana, Min. (ed. 5), § 725. Junckerite … proved to be only common spathic iron.

3