AM_Nesquehonite Formula: Mg C O6 H6 Name: Nesquehonite Unit cell: 7.7053 5.3673 12.1212 90.0 90.451 90.0 , V=501.28 Space group: P121/N1 (14)

Stephan G W , MacGillavry C H , Acta Crystallographica, Section B , 28 (1972) p.1031-1033, The crystal structure of nesquehonite, MgCO3*3H2O, Locality: synthetic