Manganonordite-(Ce) Mineral Data

General Manganonordite-(Ce) Information
Chemical Formula:	Na3SrCeMn++Si6O17
Composition:	Molecular Weight = 792.15 gm
	Sodium 8.71 % Na 11.74 % Na₂O
	Strontium 11.06 % Sr 13.08 % SrO
	Cerium 17.69 % Ce 20.72 % Ce₂O₃
	Manganese 6.94 % Mn 8.96 % MnO
	Silicon 21.27 % Si 45.51 % SiO₂
	Oxygen 34.34 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Na₃SrCeMn²⁺Si₆O₁₇
Environment:	In the central (ussingite) zone of hyperagpaitic pegmatite in sodalite nepheline syenites and in ussingite veinlets. The manganese analogue of nordite-(Ce) and ferronordite-(Ce).
IMA Status:	Approved IMA 1998 (Dana # Added)
Locality:	Chinlusuia River, Lovozero Alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Name Origin:	Named as the Mn++ dominant analogue of nordite-(Ce). Nordite series is named after the word for north because of its northern origin in the Lovozero Massif.
Name Pronunciation:	Manganonordite-(Ce)
Synonym:	ICSD 88885
	IMA1997-007
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