AM_Rosenhahnite Formula: Ca3 Si3 O10 H2 Name: Rosenhahnite Unit cell: 6.955 9.484 6.812 108.64 94.84 95.89 , V=420.23 Space group: P-1 (2)

Wan C , Ghose S , Gibbs G V , American Mineralogist , 62 (1977) p.503-512, Rosenhahnite, Ca3Si3O8(OH)2: crystal structure and the stereochemical, configuration of the hydroxylated trisilicate group, [Si3O8(OH)2], Note: sample is from Mendocino County, California