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Ferro-obertiite (of Hawthorne 2010)

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An amphibole ( IMA 2009-034) with the empirical formula (Na0.72K0.29) (Na1.85Ca0.15)(Mg1.30Fe2+2.35Mn2+0.02Fe3+0.52Al0.01Ti0.75Li0.10)(Si7.99Al0.01)O22(O1.16F0.25OH0.59)was originally named ferro-obertiite by Hawthorne et al (2010). It was re-named ferro-ferri-obertiite in 2012 to align the use of pre-fixes in the obertiite root name minerals with the general amphibole nomenclature rules.

Classification of Ferro-obertiite (of Hawthorne 2010)

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Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ferro-obertiite (of Hawthorne 2010)

Reference List:
Hawthorne, F.C., Ball, N.A., Czamanske, G.K. (2010): Ferro-obertiite, NaNa2(Fe2+Fe3+Ti)Si8O22O2, new mineral of the amphibole group from Coyote Peak, Humboldt County, California. Canadian Mineralogist, 48, (in press).

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch (2012): Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97, pages 2031–2048

Internet Links for Ferro-obertiite (of Hawthorne 2010)

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