Crystal chemistry of silica-rich Barium silicates. I. Refinement of the crystal structures of Ba 4 [Si 6 0 16 ], Ba 5 [Si 8 0 21 ] and Ba 6 [Si 10 0 2e ], silicates with triple, quadruple and quintuple chains 3 M. Czank, P. R. Buseck Crystal chemistry of silica-rich Barium silicates. II. Electron microscopy of barium silicates containing multiple chains 19 K.-F. Hesse, F. Liebau Crystal chemistry of silica-rich Barium silicates. III. Refinement of the crystal structures of the layer silicates

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... 2 [Si 4 0 10 ] (I)• (Sanbornite), and Ba 2 [Si 4 0 10 ] (h) 33 E. F. Paulus Molecular and crystal structure of 1 -benzyl-7-desacetyl-7bromoisobutyryl-forskolin. Absolute configuration of Forskolin 43 B. Pafosz A new method of symbolic description of polytypic structures of MX 2 -type compounds -xyz notation, description of stacking faults -t-o-f notation 51 F. H. Herbstein, M. Kapon Crystal structures of the triiodide salt-molecule complexes (Xanthotoxin) 2 • Kl 3 and (Glycine) 4 • Kl 3 73 (Continuation see cover p. 4) Akademische Verlagsgesellschaft • Wiesbaden Z. Kristallogr. 153, 1 -150 (1980) Indexed in current contents