AM_Tobermorite_4 Formula: Ca2 Si3 O11 H5 Name: Tobermorite Unit cell: 6.735 7.385 22.487 90.0 90.0 123.25 , V=935.35 Space group: B11M (8)

Merlino S , Bonaccorsi E , Armbruster T , European Journal of Mineralogy , 13 (2001) p.577-590, The real structure of tobermorite 11A: normal and anomalous forms,, OD character and polytypic modifications, Note: sample MD02, Locality: Wessels mine, South Africa