Beryl Groat L A, Rossman G R, Dyar M D, Turner D, Piccoli P M B, Schultz A J, Ottolini L The Canadian Mineralogist 48 (2010) 597-613 Crystal chemistry of dark blue aquamarine from the True Blue showing, Yukon Territory, Canada Note: X-ray Locality: True Blue showing, Yukon Territory, Canada _database_code_amcsd 0006282 CELL PARAMETERS: 9.2909 9.2909 9.1996 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 687.726 Density (g/cm3): 2.816 MAX. ABS. INTENSITY / VOLUME**2: 13.46934639 RIR: 1.557 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.00 34.56 8.0462 1 0 0 6 19.30 20.30 4.5998 0 0 2 2 22.26 17.50 3.9933 1 0 2 12 27.28 100.00 3.2686 1 1 2 12 29.37 8.29 3.0412 2 1 0 12 29.50 19.00 3.0282 2 0 2 12 30.97 82.27 2.8875 2 1 1 24 33.41 4.94 2.6821 3 0 0 6 35.38 15.84 2.5368 2 1 2 24 38.77 1.39 2.3227 2 2 0 6 39.17 8.29 2.2999 0 0 4 2 40.42 3.06 2.2316 3 1 0 12 40.81 2.71 2.2113 1 0 4 12 41.64 5.09 2.1687 3 1 1 24 41.83 1.04 2.1593 2 1 3 24 43.66 1.27 2.0734 2 2 2 12 45.07 2.48 2.0115 4 0 0 6 45.16 3.33 2.0078 3 1 2 24 45.42 6.59 1.9967 2 0 4 12 49.37 1.99 1.8459 3 2 0 12 50.42 1.24 1.8098 3 2 1 24 50.59 8.84 1.8044 3 1 3 24 52.09 11.57 1.7558 4 1 0 12 52.41 13.99 1.7459 3 0 4 12 53.10 6.91 1.7247 4 1 1 24 56.06 2.43 1.6404 4 1 2 24 56.29 13.69 1.6343 2 2 4 12 57.25 4.19 1.6092 5 0 0 6 57.55 1.02 1.6016 3 1 4 24 58.35 4.39 1.5815 3 2 3 24 58.64 2.36 1.5742 2 1 5 24 60.37 3.82 1.5333 0 0 6 2 60.79 12.52 1.5237 4 1 3 24 60.93 1.16 1.5206 4 2 0 12 63.38 4.50 1.4676 3 3 2 12 63.94 4.69 1.4560 1 1 6 12 64.55 5.86 1.4437 4 2 2 24 64.76 3.62 1.4396 3 2 4 24 68.00 3.91 1.3787 5 1 2 24 68.54 3.75 1.3691 2 1 6 24 73.50 3.82 1.2884 5 2 0 12 73.57 7.63 1.2874 6 0 2 12 74.09 1.61 1.2796 2 2 6 12 74.34 6.44 1.2760 5 2 1 24 74.73 3.90 1.2702 4 1 5 24 74.86 3.41 1.2684 4 2 4 24 75.18 1.76 1.2637 3 1 6 24 78.80 5.29 1.2146 4 3 3 24 79.44 5.55 1.2064 2 1 7 24 80.93 1.42 1.1878 5 2 3 24 83.44 1.17 1.1585 6 0 4 12 84.19 2.82 1.1500 0 0 8 2 84.49 2.33 1.1467 4 3 4 24 86.60 4.10 1.1241 5 2 4 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.