Stepanovite
Stepanovite is an IMA-recognized mineral species in the organic mineral class, with the chemical formula NaMgFe³⁺(C₂O₄)₃·9H₂O.
It crystallizes in the hexagonal crystal system. It is a member of the Stepanovite, Oxalate structural group.
Key properties: Mohs hardness 2; specific gravity 1.69; Vitreous luster; optically uniaxial.
IMA symbol Stpn, IMA status: approved, named in 1953.
Found in thin veinlets in coal.
It is found associated with Calcite, dolomite, whewellite, weddellite.
The mineral was named to honor Pavel Ivanovich Stepanov (1880–1947), Russian specialist in coal geology.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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