Report copyright - Revision 6 2 TiFe Al )O 5 S G *, C B ,P C ,M P C M C B19 ABSTRACT Ferri-kaersutite, ideally NaCa 2(Mg 3TiFe 3+)(Si 20 6Al 2)O 22O 2, is a new oxo-amphibole from Harrow 21 Peaks, Northern
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