Blodite group

The blodite group (or Blödite group) is a group of minerals with two (in most cases divalent) cations and two anions. The group includes blödite Na2Mg(SO4)2•4H2O, leonite K2Mg(SO4)2•4(H2O), anapaite Ca2Fe(PO4)2•4(H2O), schertelite (NH4)2Mg(PO3OH)2•4(H2O,)[1] manganoblödite Na2Mn(SO4)2•4(H2O), cobaltoblödite Na2Co(SO4) 2•4(H2O), changoiteNa2Zn(SO4)2•4(H2O)

References
  1. Comodi, P.; Nazzareni, S.; Balic-Zunic, T.; Zucchini, A.; Hanfland, M. (14 February 2014). "The high-pressure behavior of bloedite: A synchrotron single-crystal X-ray diffraction study". American Mineralogist. 99 (2–3): 511–518. doi:10.2138/am.2014.4640.
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