AM_Eakerite_1 Formula: Sn Ca2 Al2 Si6 O22 H6 Name: Eakerite Unit cell: 15.8202 7.6963 7.4449 90.0 101.293 90.0 , V=888.92 Space group: P121/A1 (14)

Uchida H , Downs R T , Thompson R M , Acta Crystallographica, Section E , 63 (2007) p.i47-i49, Reinvestigation of eakerite, Ca2SnAl2Si6O18(OH)2*2H2O: H-atom positions by, single-crystal X-ray diffraction and correlation with Raman spectroscopic data, Locality: Foote Mineral Company mine, Kings Mountain, North Carolina, USA