AM_Melilite_6
Formula: (Ca.84 Sr.45 Na.71) Mg.19 Fe.29 Mn.03 Zn.02 Al.47 Ti.01 Si1.99 O7
Name: Melilite
Unit cell: 7.754 7.754 5.101 90.0 90.0 90.0 , V=306.70
Space group: P-421M (113)

Bindi L , Bonazzi P , Fitton J G , European Journal of Mineralogy , 13 (2001) p.121-125, Crystal chemistry of strontian soda melilite from nephelinite, lava of Mt. Etinde, Cameroon, Sample: ET1, Locality: nephelinite lava of Mt. Etinde, Cameroon