Database of Raman spectroscopy, X-ray diffraction and chemistry of minerals

View changes made in:

Jul 13, 2022
- Maghemite
  - IMA Number changed to "IMA2018 s.p."
  - Mineral Comment changed from
    Wagner P A (1927) Changes in the oxidation of iron in magnetite, Economic Geology 22, 845-846
    to
    Wagner P A (1927) Changes in the oxidation of iron in magnetite, Economic Geology 22, 845-846
    
    Chemical composition changed from Fe₂O₃ to (Fe³⁺_0.67 _0.33)Fe³⁺₂O₄:
    Bosi F, Biagioni C, Pasero M (2019) Nomenclature and classification of the spinel supergroup. European Journal of Mineralogy 31, 183-192
Aug 15, 2018
- Maghemite
  - IMA Ideal Chemistry changed from "Fe₂O₃" to "(Fe³⁺_0.67 _0.33)Fe³⁺₂O₄"
  - RRUFF Ideal Chemistry changed from "Fe³⁺_2.67O₄" to "(Fe³⁺_0.67 _0.33)Fe³⁺₂O₄"
Oct 13, 2017
- Maghemite
  - IMA Ideal Chemistry changed from "Fe_2.67O₄" to "Fe₂O₃"
May 18, 2014
- Maghemite
  - RRUFF Ideal Chemistry changed from "Fe_2.67O₄" to "Fe³⁺_2.67O₄"
Mar 25, 2013
- Maghemite
  - Mineral Comment changed from
    Wagner P A (1927) Changes in the oxidation of iron in magnetite, Economic Geology 22, 845-846
    
    Schairer J F (1929) New mineral names, American Mineralogist 14, 387-388
    to
    Wagner P A (1927) Changes in the oxidation of iron in magnetite, Economic Geology 22, 845-846
Dec 13, 2009
- Maghemite
  - Mineral Comment changed from
    Schairer J F (1929) New mineral names, American Mineralogist 14, 387-388
    to
    Wagner P A (1927) Changes in the oxidation of iron in magnetite, Economic Geology 22, 845-846
    
    Schairer J F (1929) New mineral names, American Mineralogist 14, 387-388
May 26, 2007
- Maghemite
  - RRUFF Ideal Chemistry changed from "γ-Fe₂O₃" to "Fe_2.67O₄"
Apr 5, 2007
- Maghemite
  - IMA Ideal Chemistry changed to "Fe_2.67O₄"
Apr 13, 2006
- Maghemite
  - RRUFF Ideal Chemistry changed from "gamma-Fe₂O₃" to "γ-Fe₂O₃"