Almarudite Mihajlovic T, Lengauer C L, Ntaflos T, Lolitsch U, Tillmanns E Neues Jahrbuch fur Mineralogie, Abhandlungen 179 (2004) 265-294 Two new minerals, rondorfite, Ca8Mg[SiO4]4Cl2, and almarudite, K(box,Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30], and a study of iron-rich wadalite, Ca12[(Al8Si4Fe2)O32]C16, from the Bellerberg (Bellberg) volcano, Eifel, Germany Locality: Bellerberg volcano lava field, 2 km N of Mayen, Eastern Eifel volcanic area, Eifel, Germany _database_code_amcsd 0014724 CELL PARAMETERS: 9.9970 9.9970 14.0900 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 1219.498 Density (g/cm3): 2.722 MAX. ABS. INTENSITY / VOLUME**2: 10.82135796 RIR: 1.295 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.22 2.36 8.6577 1 0 0 6 12.56 28.65 7.0450 0 0 2 2 16.22 15.88 5.4644 1 0 2 12 17.74 24.10 4.9985 1 1 0 6 20.52 22.91 4.3288 2 0 0 6 21.80 75.21 4.0766 1 1 2 12 24.13 13.42 3.6882 2 0 2 12 25.28 20.42 3.5225 0 0 4 2 27.25 1.53 3.2723 2 1 0 12 27.33 16.96 3.2628 1 0 4 12 27.99 100.00 3.1875 2 1 1 24 30.11 6.83 2.9678 2 1 2 24 30.99 16.11 2.8859 3 0 0 6 31.06 77.81 2.8794 1 1 4 12 32.78 23.42 2.7322 2 0 4 12 33.37 10.75 2.6849 2 1 3 24 33.56 2.24 2.6705 3 0 2 12 35.93 10.44 2.4992 2 2 0 6 37.45 5.17 2.4012 3 1 0 12 38.01 4.09 2.3671 3 1 1 24 38.21 7.55 2.3554 2 2 2 12 40.40 1.58 2.2324 3 0 4 12 41.73 1.72 2.1644 4 0 0 6 42.27 4.95 2.1380 3 1 3 24 42.53 2.14 2.1255 1 1 6 12 43.86 1.42 2.0642 2 0 6 12 44.45 1.73 2.0383 2 2 4 12 45.68 2.50 1.9862 3 2 0 12 45.73 10.75 1.9841 3 1 4 24 46.15 3.07 1.9668 3 2 1 24 48.17 10.30 1.8893 4 1 0 12 48.62 8.11 1.8725 4 1 1 24 49.90 16.30 1.8277 3 1 5 24 49.98 9.05 1.8248 4 1 2 24 50.08 9.07 1.8215 3 0 6 12 51.92 7.19 1.7613 0 0 8 2 52.88 7.37 1.7315 5 0 0 6 53.55 12.24 1.7114 2 2 6 12 55.17 8.45 1.6649 4 1 4 24 56.22 1.67 1.6361 4 2 0 12 56.40 3.64 1.6314 2 0 8 12 56.63 2.57 1.6252 4 2 1 24 56.78 2.79 1.6214 3 3 2 12 57.86 1.29 1.5937 4 2 2 24 58.85 4.23 1.5692 4 1 5 24 59.49 1.28 1.5539 5 0 4 12 59.84 1.04 1.5456 5 1 1 24 59.86 1.19 1.5451 4 2 3 24 61.02 1.37 1.5184 5 1 2 24 61.11 1.60 1.5165 3 2 6 24 61.57 6.97 1.5062 3 3 4 12 61.70 5.82 1.5034 3 0 8 12 62.97 1.70 1.4762 5 1 3 24 64.75 7.01 1.4397 2 2 8 12 65.63 1.54 1.4225 5 1 4 24 66.03 5.29 1.4149 4 2 5 24 66.10 5.64 1.4136 6 0 2 12 66.17 2.62 1.4122 2 1 9 24 67.57 10.23 1.3863 5 2 0 12 67.94 4.11 1.3797 5 2 1 24 68.06 1.34 1.3775 4 1 7 24 69.29 4.32 1.3562 1 1 10 12 70.53 5.76 1.3353 6 0 4 12 70.87 1.66 1.3296 5 2 3 24 71.61 1.15 1.3178 3 2 8 24 72.01 6.42 1.3114 3 1 9 24 73.13 1.44 1.2941 2 1 10 24 73.40 2.13 1.2900 5 2 4 24 74.72 1.08 1.2705 4 3 5 24 77.12 1.20 1.2368 7 0 0 6 79.51 2.61 1.2055 4 1 9 24 80.05 1.56 1.1987 4 2 8 24 80.30 1.77 1.1956 6 1 5 24 80.44 5.93 1.1938 5 2 6 24 80.53 2.90 1.1928 2 1 11 24 81.78 1.81 1.1777 4 4 4 12 82.69 1.20 1.1670 7 0 4 12 84.82 1.10 1.1431 1 1 12 12 85.93 1.67 1.1311 4 2 9 24 88.28 1.58 1.1070 4 3 8 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.