ludwigiten.

/ˈluːdvɪɡʌɪt/Etymology: Named by Tschermak, 1874, after Prof. E. Ludwig: see -ite suffix1.
Mineralogy.
1875 J. D. Dana App. ii. 35 Ludwigite occurs altered to limonite.
1887 7 43 A. Renard..examines the optical properties of Ludwigite.
This entry has not yet been fully updated (first published 1903; most recently modified version published online June 2019).