Genthelvite Hassan I, Grundy H D American Mineralogist 70 (1985) 186-192 The crystal structures of helvite group minerals, (MnFeZn)8(Be6Si6O24)S2 _database_code_amcsd 0000970 CELL PARAMETERS: 8.1490 8.1490 8.1490 90.000 90.000 90.000 SPACE GROUP: P-43n X-RAY WAVELENGTH: 1.541838 Cell Volume: 541.144 Density (g/cm3): 3.663 MAX. ABS. INTENSITY / VOLUME**2: 68.62130506 RIR: 6.099 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.38 1.52 5.7622 1 1 0 12 21.81 4.58 4.0745 2 0 0 6 24.43 5.80 3.6443 2 1 0 24 26.80 100.00 3.3268 2 1 1 12 31.04 3.15 2.8811 2 2 0 12 34.81 16.00 2.5769 3 1 0 24 38.26 3.12 2.3524 2 2 2 4 39.89 1.48 2.2601 3 2 0 24 41.46 19.36 2.1779 3 2 1 24 44.47 3.63 2.0373 4 0 0 6 47.33 22.23 1.9207 4 1 1 12 47.33 19.19 1.9207 3 3 0 12 50.06 6.34 1.8222 4 2 0 24 51.38 1.38 1.7783 4 2 1 24 52.68 1.63 1.7374 3 3 2 12 55.22 9.24 1.6634 4 2 2 12 57.68 1.19 1.5982 4 3 1 24 57.68 2.62 1.5982 5 1 0 24 62.42 10.01 1.4878 5 2 1 24 64.71 8.12 1.4406 4 4 0 12 66.96 3.11 1.3975 4 3 3 12 66.96 4.64 1.3975 5 3 0 24 69.17 5.15 1.3582 4 4 2 12 69.17 3.81 1.3582 6 0 0 6 71.35 5.34 1.3219 5 3 2 24 73.50 1.86 1.2885 6 2 0 24 75.63 9.27 1.2574 5 4 1 24 83.97 1.33 1.1524 5 4 3 24 88.08 1.07 1.1089 5 5 2 12 88.08 5.67 1.1089 6 3 3 12 88.08 3.08 1.1089 7 2 1 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.