AM_Malayaite
Formula: Ca (Sn.95 Ti.05) Si O5
Name: Malayaite
Unit cell: 7.149 8.906 6.667 90.0 113.3 90.0 , V=389.86
Space group: A12/A1 (15)

Higgins J B , Ribbe P H , American Mineralogist , 62 (1977) p.801-806, The structure of malayaite, CaSnOSiO4, a tin analog of titanite, Note: sample is from Red-a-Ven mine, Meldon, Devonshire, England