Ferronordite-(Ce)
Ferronordite-(Ce) is an IMA-recognized mineral species in the silicate class, with the chemical formula Na₃SrCeFe²⁺Si₆O₁₇.
It crystallizes in the orthorhombic crystal system (space group Pcca). It is a member of the Nordite structural group.
Key properties: Mohs hardness 5; specific gravity 3.46; White streak; Vitreous, greasy on fractures luster.
IMA symbol Fnor-Ce, IMA status: approved, named in 1997.
Found in sodalite syenites and in ussingite veins in an alkaline massif.
It is found associated with Aegirine, eudialyte, sodalite, vuonnemite.
Prefix, ferro, indicates the Fe2+-dominant analog of nordite-Ce.
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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