“…Next to crystals of the three title compounds, single crystals could also be assigned to HgSeO 3 , [17] α-Hg 2 SeO 3 , [18] and Hg 3 Se 3 O 10 [19] by determination of the unit cell using single-crystal X-ray diffraction. Powder X-ray diffraction of the bulk additionally revealed HgTeO 3 , [20] Hg 3 TeO 6 , [21] and α-TeO 2 , [22] with all mentioned phases in variable proportions and some more reflections that could not be assigned to any known phase(s).…”