Niningerite

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General
Category Sulfide minerals
Formula
(repeating unit)
MgS
Strunz classification 2.CD.10
Crystal system Cubic
Hexoctahedral class
Unit cell a = 5.2 Å; Z = 4
Identification
Color grey
Crystal symmetry Isometric
H-M symbol: (4/m 3 2/m)
Space group: Fm3m
Mohs scale hardness 3½ - 4
Luster metallic
Diaphaneity opaque

Niningerite is a magnesium-iron-manganese sulfide mineral with the chemical formula MgS that is found in enstatite chondrite meteorites.[1] Niningerite is the magnesium-dominant analog of keilite.[2] This mineral is named after Harvey H. Nininger.

See also[edit]

References[edit]

  1. ^ webminerals
  2. ^ M. Shinizu; H. Yoshida (2002). "The New Mineral Species Keilite (Fe,Mg)S, the Iron-dominant Analogue of Niningerite" (PDF). The Canadian Mineralogist. 40 (6): 1687–1692. doi:10.2113/gscanmin.40.6.1687.