AM_Harmotome_1
Formula: Ba (Si5.92 Al2.08) O23
Name: Harmotome
Unit cell: 9.841 14.085 8.68 90.0 124.78 90.0 , V=988.20
Space group: P121/M1 (11)

Stuckenschmidt E , Fuess H , Kvick A , European Journal of Mineralogy , 2 (1990) p.861-874, Investigation of the structure of harmotome by X-ray (293 K, 100 K), and neutron diffraction (15 K), Sample: 100 K