AM_Alluaudite_8
Formula: Na1.762 Mn.442 Fe2.48 P3 O12
Name: Alluaudite
Unit cell: 11.894 12.536 6.471 90.0 114.49 90.0 , V=878.04
Space group: C12/C1 (15)

Hatert F , Rebbouh L , Hermann R P , Fransolet A M , Long G J , Grandjean F , American Mineralogist , 90 (2005) p.653-662, Crystal chemistry of the hydrothermally synthesized, Na2(Mn1-xFe2+x)2Fe3+(PO4)3 alluaudite-type solid solution, Sample: Na2Mn0.5Fe2+1.5Fe3+(PO4)3 (x = 0.75)