Sulphide, galena group
Hardness: 3½ to 4
Common impurities: Ca,Zn,Cr
Niningerite occurs in less extensively metamorphosed enstatite
chondrite meteorites intergrown with iron variety
kamacite and troilite
There are two co-type localities, the Indarch meteorite, Shusha, Aghjabadi District, Azerbaijan, and the Abee meteorite, Abee, Alberta, Canada.
At the Abee meteorite niningerite is associated with keilite (Minrec 35.4.353).
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