AM_Prehnite_10 Formula: Ca2 Al2 Si3 O12 H2 Name: Prehnite Unit cell: 4.4868 5.335 18.168 90.0 90.0 90.0 , V=434.89 Space group: PNCM (53)

Detrie T A , Ross N L , Angel R J , Gatta G D , European Journal of Mineralogy , 21 (2009) p.561-570, Equation of state and structure of prehnite to 9.8 GPa, Locality: N Chwaning II mine, Kuruman, South Africa, Note: P = 9.345 GPa