AM_Arapovite
Formula: Li.59 Th.26 Ca1.34 Dy.02 Sm.01 Pr.01 Na.68 Nd.04 Ce.02 Ba.02 K.52 Si8 O20
Name: Arapovite
Unit cell: 7.5505 7.5505 14.7104 90.0 90.0 90.0 , V=838.64
Space group: P4/MCC (124)

Uvarova Y A , Sokolova E V , Hawthorne F C , Agakhanov A A , Pautov L A , The Canadian Mineralogist , 42 (2004) p.1005-1011