In our 2014 paper (Joy & Evans 2014, p. 349–351), we gave reasons for preferring to use an earlier IMA nomenclature scheme (IMA 1997) for the Mg-Fe-Mn amphiboles (Leake et al. 1997, 2003) rather than the latest version, IMA 2012 (Hawthorne et al. 2012). Hawthorne et al. (2012) overturned a precedent that was initially set by Leake (1968) in assigning root names to calcic amphiboles based on occupancies of the T, M4, and A sites; this precedent was formalized and extended to all amphiboles in the Leake (1978)...

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