niningerite

== English == === Etymology === Named for Harvey H. Nininger, meteoriticist, +‎ -ite. === Noun === niningerite (usually uncountable, plural niningerites) (mineralogy) A magnesium-iron-manganese sulfide mineral. === Further reading === David Barthelmy (1997–2026), “Niningerite”, in Webmineral Mineralogy Database. “niningerite”, in Mindat.org‎[1], Hudson Institute of Mineralogy, 2000–2026.