Hedyphane Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R070425 Rouse R C, Dunn P J, Peacor D R American Mineralogist 69 (1984) 920-927 Hedyphane from Franklin, New Jersey and Langban, Sweden: Cation ordering in an arsenate apatite sample H90417 from Langban, Sweden CELL PARAMETERS: 10.0520 10.0520 7.2793 90.000 90.000 120.000 SPACE GROUP: P6_3/m ATOM X Y Z OCCUPANCY ISO(B) Ca 0.33333 0.66667 0.00900 1.000 0.282 Pb 0.25810 0.01420 0.25000 1.000 0.959 As 0.40210 0.38950 0.25000 1.000 0.485 O 0.36400 0.52300 0.25000 1.000 1.000 O 0.61600 0.47400 0.25000 1.000 0.914 O 0.36500 0.27600 0.06500 1.000 2.458 Cl 0.00000 0.00000 0.00000 1.000 1.384 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 0.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 7 +/- 7 +/- 6 MAX. ABS. INTENSITY / VOLUME**2: 193.9321363 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 10.16 12.78 8.7053 1 0 0 15.87 1.06 5.5843 1 0 1 17.65 15.22 5.0260 1 1 0 20.40 2.12 4.3526 2 0 0 21.49 18.68 4.1359 1 1 1 23.82 4.17 3.7357 2 0 1 24.46 31.72 3.6397 0 0 2 26.54 3.88 3.3580 1 0 2 27.10 5.07 3.2903 1 2 0 27.10 5.02 3.2903 2 1 0 29.80 51.64 2.9982 1 2 1 29.80 48.36 2.9982 2 1 1 30.32 28.66 2.9479 1 1 2 30.81 19.68 2.9018 3 0 0 35.73 1.18 2.5130 2 2 0 36.82 9.91 2.4408 1 2 2 36.82 2.01 2.4408 2 1 2 37.24 1.59 2.4144 3 1 0 37.88 1.06 2.3754 2 2 1 39.32 3.67 2.2916 1 3 1 39.73 2.35 2.2689 3 0 2 41.32 6.75 2.1851 1 1 3 41.49 8.82 2.1763 4 0 0 43.78 9.28 2.0680 2 2 2 45.06 4.19 2.0120 3 1 2 45.41 2.02 1.9971 2 3 0 46.50 15.95 1.9528 1 2 3 46.50 12.53 1.9528 2 1 3 47.19 13.68 1.9260 2 3 1 47.19 5.99 1.9260 3 2 1 47.89 3.90 1.8996 4 1 0 48.75 13.66 1.8679 4 0 2 50.13 8.03 1.8198 0 0 4 52.25 1.25 1.7509 2 3 2 52.56 2.41 1.7411 5 0 0 53.54 1.65 1.7115 1 3 3 53.56 1.20 1.7111 1 1 4 55.89 1.45 1.6451 2 4 0 55.89 1.11 1.6451 4 2 0 56.35 6.52 1.6327 3 3 1 57.43 2.42 1.6047 4 2 1 57.91 1.99 1.5925 1 2 4 58.79 4.80 1.5706 5 0 2 59.99 4.33 1.5420 2 3 3 59.99 3.04 1.5420 3 2 3 60.01 4.37 1.5417 3 0 4 60.57 4.12 1.5287 5 1 1 60.57 3.81 1.5287 1 5 1 60.87 2.01 1.5219 3 3 2 61.89 1.90 1.4991 2 4 2 61.89 2.70 1.4991 4 2 2 64.91 1.07 1.4366 1 5 2 64.91 1.48 1.4366 5 1 2 65.19 1.03 1.4311 3 4 0 65.61 1.17 1.4229 6 0 1 67.04 4.32 1.3961 4 0 4 68.00 3.16 1.3786 3 3 3 68.54 1.06 1.3691 2 5 1 68.54 4.03 1.3691 5 2 1 68.97 1.46 1.3617 4 2 3 69.78 1.51 1.3477 6 0 2 70.74 2.07 1.3319 3 4 2 70.77 3.54 1.3314 1 2 5 70.77 3.71 1.3314 2 1 5 71.00 1.04 1.3275 1 6 0 71.83 2.24 1.3143 1 5 3 71.83 2.02 1.3143 5 1 3 71.84 1.72 1.3141 4 1 4 75.58 1.77 1.2580 5 0 4 76.36 1.65 1.2472 1 6 2 76.50 1.02 1.2452 6 0 3 78.35 1.02 1.2204 2 4 4 78.35 1.13 1.2204 4 2 4 78.90 1.24 1.2132 0 0 6 79.26 2.84 1.2087 5 2 3 81.64 1.64 1.1793 1 1 6 81.85 1.06 1.1768 3 5 2 81.88 2.61 1.1765 2 3 5 89.10 1.61 1.0989 3 3 5 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.