Moissanite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R061083 Capitani G C, Di Pierro S, Tempesta G American Mineralogist 92 (2007) 403-407 The 6H-SiC structure model: Further refinement from SCXRD data from a terrestrial moissanite Locality: 150 km NW from Izmir, Turkey CELL PARAMETERS: 3.0790 3.0790 15.1160 90.000 90.000 120.000 SPACE GROUP: P6_3mc ATOM X Y Z OCCUPANCY ISO(B) Si 0.00000 0.00000 0.00000 1.000 0.395 Si 0.33333 0.66667 0.16640 1.000 0.395 Si 0.66667 0.33333 0.33290 1.000 0.395 C 0.33333 0.66667 0.04120 1.000 0.395 C 0.66667 0.33333 0.20800 1.000 0.395 C 0.00000 0.00000 0.37460 1.000 0.395 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 2 +/- 2 +/- 13 MAX. ABS. INTENSITY / VOLUME**2: 13.44627518 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 34.14 56.04 2.6259 1 0 1 35.64 67.43 2.5193 0 0 6 35.71 100.00 2.5146 1 0 2 38.19 59.56 2.3568 1 0 3 41.44 23.80 2.1787 1 0 4 45.35 9.18 1.9998 1 0 5 54.70 11.87 1.6781 1 0 7 60.01 29.38 1.5417 1 0 8 60.10 58.29 1.5395 1 1 0 65.70 25.95 1.4211 1 0 9 70.97 5.06 1.3281 2 0 1 71.78 10.63 1.3150 1 0 10 71.87 43.11 1.3136 1 1 6 71.91 10.72 1.3130 2 0 2 73.47 8.59 1.2889 2 0 3 75.47 3.06 1.2597 0 0 12 75.64 4.55 1.2573 2 0 4 78.27 1.84 1.2215 1 0 11 78.39 1.81 1.2199 2 0 5 85.62 2.95 1.1344 2 0 7 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.