Formula: K Al2 Si4 O12 H2
Name: Celadonite
Unit cell: 5.227 9.052 10.153 90.0 100.53 90.0 , V=472.30
Space group: C12/M1 (12)

Drits V A , Zviagina B B , McCarty D K , Salyn A L , American Mineralogist , 95 (2010) p.348-361, Factors responsible for crystal-chemical variations in the solid solutions, from illite to aluminoceladonite and from glauconite to celadonite, Locality: Krivoi Rog mining district, Russia, Sample Name: 69, Note: y-coordinate of O1 altered by communication with authors