AM_RbFeSi3O8 Formula: Rb (Si2.912 Fe1.088) O8 Name: RbFeSi3O8 Unit cell: 8.952 13.127 7.359 90.05 116.47 89.35 , V=774.06 Space group: C-1 (2)

Brunton G D , Harris L A , Kopp O C , American Mineralogist , 57 (1972) p.1720-1728, Crystal structure of a rubidium iron feldspar