AM_Strontio-orthojoaquinite Formula: Ba4 Ti2 Si8 O28 Fe Na H4 Name: Strontio-orthojoaquinite Unit cell: 10.602 9.841 22.621 90.0 90.0 90.0 , V=2360.15 Space group: P21AM (26)

Kato T , Mizota T , Journal of the Faculty of Liberal Arts. Yamaguchi University (Natural Science) , 24 (1990) p.23-32, The crystal structure of strontio-orthojoaquinite, Locality: amphibole-quartz-albite dike cutting serpentinite in Ohmi, Nigata Prefecture, Japan