AM_Taikanite Formula: Ba Sr2 Mn2 Si4 O14 Name: Taikanite Unit cell: 14.6 7.759 5.142 90.0 93.25 90.0 , V=581.56 Space group: C121 (5)

Armbruster T , Oberhansli R , Kunz M , American Mineralogist , 78 (1993) p.1088-1095, Taikanite, BaSr2Mn2O2[Si4O12], from the Wessels mine, South Africa: A chain, silicate related to synthetic Ca3Mn2O2[Si4O12]