AM_Ca9Cr(PO4)7
Formula: Ca9 Cr P7 O28
Name: Ca9Cr(PO4)7
Unit cell: 10.3272 10.3272 37.132 90.0 90.0 120.0 , V=3429.61
Space group: R3C (161)

Zatovsky I V , Strutynska N Y , Baumer V N , Shishkin O V , Slobodyanik N S , Acta Crystallographica, Section E , 63 (2007) p.i180-i181, The whitlockite-related phosphate Ca9Cr(PO4)7