Quintinite Arakcheeva A V, Pushcharovsky D Y, Rastsvetaeva R K, Atencio D, Lubman G U Crystallography Reports 41 (1996) 972-981 Crystal structure and comparative crystal chemistry of Al2Mg4(OH)12(CO3)*3H2O, a new mineral from the hydrotalcite-manasseite group Note polytype 2H Locality: synthetic _database_code_amcsd 0012351 CELL PARAMETERS: 5.2830 5.2830 15.1500 90.000 90.000 120.000 SPACE GROUP: P-62m X-RAY WAVELENGTH: 1.541838 Cell Volume: 366.188 Density (g/cm3): 2.157 MAX. ABS. INTENSITY / VOLUME**2: 13.97529819 RIR: 2.109 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 5.83 1.40 15.1500 0 0 1 2 11.68 100.00 7.5750 0 0 2 2 19.40 1.08 4.5752 1 0 0 6 20.28 10.99 4.3798 1 0 1 12 23.49 36.13 3.7875 0 0 4 2 26.28 6.28 3.3906 1 0 3 12 34.47 30.44 2.6022 1 1 1 6 35.55 2.26 2.5250 0 0 6 2 36.01 18.41 2.4942 1 1 2 6 38.46 8.00 2.3406 1 1 3 6 39.85 2.06 2.2620 2 0 1 12 41.69 14.50 2.1666 1 1 4 6 45.56 16.27 1.9911 1 1 5 6 46.41 1.92 1.9564 1 0 7 12 49.95 2.08 1.8257 2 0 5 12 49.97 22.06 1.8252 1 1 6 6 52.95 1.40 1.7293 2 1 0 6 60.12 6.43 1.5391 1 1 8 6 60.73 10.43 1.5251 3 0 0 6 62.08 7.69 1.4951 3 0 2 12 66.04 3.24 1.4147 3 0 4 12 71.83 3.30 1.3142 1 1 10 6 72.67 1.26 1.3011 2 2 2 6 76.37 1.71 1.2471 2 2 4 6 78.29 1.08 1.2212 1 1 11 6 82.41 2.13 1.1703 2 2 6 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.