AM_Hydroxylclinohumite Formula: Mg8.42 Fe.58 Si4 O18 H2 Name: Hydroxylclinohumite Unit cell: 4.7441 10.2501 13.6635 100.786 90.0 90.0 , V=652.68 Space group: P21/B11 (14)

Robinson K , Gibbs G V , Ribbe P H , American Mineralogist , 58 (1973) p.43-49, The crystal structures of the humite minerals. IV. Clinohumite and, titanclinohumite