AM_Paravinogradovite Formula: Na2.07 K.13 (Ti3.52 Fe.48) Si7.6 Al.1 Be.3 O27.17 H10 Name: Paravinogradovite Unit cell: 5.2533 8.7411 12.948 70.466 78.472 89.932 , V=547.65 Space group: P1 (1)

Khomyakov A P , Kulikova I E , Sokolova E V , Hawthorne F C , Kartashov P M , The Canadian Mineralogist , 41 (2003) p.989-1002