Talk:Ettringite

Comments
The article was edited for GEOL 3370 Introduction to Mineralogy, University of Houston, Dec. 2013. — Preceding unsigned comment added by 108.249.40.40 (talk) 04:33, 31 December 2013 (UTC)

various problems
Summary box - Alters to - dehydratES Structure - "-the needle axis-;" should be "- the needle axis;". "middle of these two" - what two? twinNing Since the crystals are trigonal how can the unit cell be hexagonal? "P63/mmcand" should probably be "P63/mm and". wHere between them lie... 1.1 x 0.8 x 0.5 mm The commas after Tilley, 0.002, basal faces, & planes of symmetry should probably be semicolons. Capitalize further. 21.108 (not ,) Ca3[Si(OH)6.12H2O] has a charge of 4+. Further research - A twelve should be Al two. References - 9 should presumably be ettringitE. Part of ref. 12 appears to be missing. 69.72.92.122 (talk) 08:35, 7 December 2015 (UTC)