Austinite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R050536 Giuseppetti G, Tadini C Neues Jahrbuch fur Mineralogie, Monatshefte 1988 (1988) 159-166 The crystal structure of austinite, CaZn(AsO4)(OH), from Kamareza, Laurion (Greece) Locality: Kamareza, Laurion, Greece CELL PARAMETERS: 7.4947 9.0010 5.9092 90.000 90.000 90.000 SPACE GROUP: P2_12_12_1 ATOM X Y Z OCCUPANCY ISO(B) Ca 0.36890 0.67200 0.52200 1.000 8.800 Zn 0.76400 0.50650 0.75700 1.000 6.840 As 0.37710 0.32320 0.48300 1.000 4.610 O 0.55200 0.44130 0.51000 1.000 2.710 O 0.20790 0.43700 0.41100 1.000 81.030 O 0.64840 0.73310 0.76900 1.000 4.850 O 0.60330 0.70940 0.24200 1.000 51.010 Oh 0.89050 0.57270 0.49200 1.000 4.770 H 0.99300 0.52300 0.50000 1.000 12.000 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 6 +/- 8 +/- 5 MAX. ABS. INTENSITY / VOLUME**2: 19.10623753 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 15.38 57.74 5.7595 1 1 0 17.96 30.68 4.9398 0 1 1 21.55 43.25 4.1245 1 1 1 23.05 18.21 3.8583 1 2 0 23.74 17.30 3.7473 2 0 0 24.87 2.80 3.5804 0 2 1 25.75 17.76 3.4595 2 1 0 27.61 10.21 3.2306 1 2 1 28.20 100.00 3.1647 2 0 1 29.93 1.42 2.9855 2 1 1 30.25 10.22 2.9546 0 0 2 31.06 11.74 2.8798 2 2 0 32.13 93.09 2.7854 1 3 0 34.11 58.67 2.6289 1 1 2 34.65 31.85 2.5887 2 2 1 35.63 34.00 2.5195 1 3 1 36.37 22.57 2.4699 0 2 2 37.36 13.06 2.4072 3 1 0 38.37 11.22 2.3458 1 2 2 38.43 7.02 2.3421 2 3 0 38.81 16.62 2.3202 2 0 2 40.07 1.95 2.2503 0 4 0 40.46 1.95 2.2293 3 1 1 41.47 1.42 2.1773 2 3 1 43.90 15.50 2.0622 2 2 2 44.21 4.79 2.0488 3 2 1 44.71 1.24 2.0268 1 3 2 44.76 1.87 2.0247 1 4 1 47.11 4.21 1.9292 2 4 0 47.24 1.32 1.9242 0 1 3 48.59 2.45 1.8737 4 0 0 48.80 4.89 1.8662 3 1 2 48.87 5.02 1.8638 1 1 3 49.72 2.29 1.8339 2 4 1 49.95 10.66 1.8259 3 3 1 51.02 8.41 1.7902 0 4 2 52.14 1.95 1.7543 1 2 3 52.21 2.70 1.7519 4 1 1 52.48 6.88 1.7435 2 0 3 52.93 10.34 1.7298 4 2 0 54.69 4.28 1.6783 1 5 1 56.61 2.61 1.6258 2 2 3 57.01 3.90 1.6153 2 4 2 57.22 16.83 1.6098 3 3 2 57.26 1.56 1.6088 3 4 1 57.29 3.95 1.6082 1 3 3 58.31 9.55 1.5823 4 0 2 61.58 8.86 1.5060 1 5 2 61.85 2.20 1.5002 0 6 0 62.85 2.47 1.4786 5 1 0 62.91 4.99 1.4773 0 0 4 63.61 1.05 1.4628 3 2 3 63.72 3.43 1.4605 3 5 0 63.98 1.02 1.4551 3 4 2 64.74 1.35 1.4399 4 4 0 65.20 1.10 1.4310 1 1 4 65.64 1.72 1.4223 2 5 2 65.87 1.51 1.4179 3 5 1 68.21 2.10 1.3748 3 3 3 69.32 2.74 1.3556 2 6 1 72.25 1.52 1.3077 5 3 1 72.41 3.53 1.3051 1 3 4 78.22 1.40 1.2221 6 0 1 78.30 2.01 1.2210 5 3 2 86.67 1.02 1.1234 4 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.