AM_Tobermorite_2 Formula: Ca2.5 Si3 O9 H Name: Tobermorite Unit cell: 11.156 7.303 9.566 101.08 92.83 89.98 , V=763.87 Space group: C-1 (2)

Merlino S , Bonaccorsi E , Armbruster T , European Journal of Mineralogy , 12 (2000) p.411-429, The real structure of clinotobermorite and tobermorite 9 A:, OD character, polytypes, and structural relationships, Sample: MDO2