{{Short description|Sulfide}} {{Infobox mineral | name = Niningerite | boxwidth = | boxbgcolor = | image = | imagesize = | alt = | caption = | category = Sulfide minerals | formula = MgS | IMAsymbol = Nng<ref>{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3 |pages=291–320|doi=10.1180/mgm.2021.43 |bibcode=2021MinM...85..291W |s2cid=235729616 |doi-access=free}}</ref> | molweight = | strunz = 2.CD.10 | system = Cubic | class = Hexoctahedral (m{{overline|3}}m) <br/>H-M symbol: (4/m {{overline|3}} 2/m) | symmetry = ''F''m{{overline|3}}m | unit cell = a = 5.2 Å; Z = 4 | color = grey | colour = | habit = | twinning = | cleavage = | fracture = | tenacity = | mohs = {{frac|3|1|2}} – 4 | luster = metallic | streak = | diaphaneity = opaque | gravity = | density = | polish = | opticalprop = | refractive = | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = }} '''Niningerite''' is a magnesium–iron–manganese sulfide mineral with the chemical formula MgS that is found in enstatite chondrite meteorites.<ref>[http://webmineral.com/data/Niningerite.shtml webminerals]</ref> Niningerite is the magnesium-dominant analog of keilite.<ref>{{cite journal |author = M. Shinizu |author2 = H. Yoshida |title = The New Mineral Species Keilite (Fe,Mg)S, the Iron-dominant Analogue of Niningerite |journal = The Canadian Mineralogist |volume = 40 |issue = 6 |pages = 1687–1692 |date = 2002 |url = http://pubs.nrc-cnrc.gc.ca/journals.old/mineral/mineral40/tcm-168740-6.pdf |doi = 10.2113/gscanmin.40.6.1687 |bibcode = 2002CaMin..40.1687S |s2cid = 93381076 }}{{dead link|date=January 2018 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> This mineral is named after Harvey H. Nininger.
==See also== * Glossary of meteoritics ==References== {{Reflist}}
{{Meteorites}}
Category:Galena group Category:Magnesium minerals Category:Iron minerals Category:Meteorite minerals Category:Cubic minerals Category:Minerals in space group 225 Category:Minerals described in 1967
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