AM_Sinhalite_1
Formula: Al Mg B O4
Name: Sinhalite
Unit cell: 9.878 5.675 4.328 90.0 90.0 90.0 , V=242.62
Space group: PNMA (62)

Fang J H , Newnham R E , Mineralogical Magazine , 35 (1965) p.196-199, The crystal structure of sinhalite, Locality: Sri Lanka