Rondorfite 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 0014723 CELL PARAMETERS: 15.0850 15.0850 15.0850 90.000 90.000 90.000 SPACE GROUP: Fd3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 3432.701 Density (g/cm3): 3.028 MAX. ABS. INTENSITY / VOLUME**2: 30.45344402 RIR: 3.275 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.16 5.67 8.7093 1 1 1 8 16.62 6.36 5.3334 2 2 0 12 19.52 8.66 4.5483 3 1 1 24 20.39 2.58 4.3547 2 2 2 8 23.59 3.08 3.7713 4 0 0 6 29.00 6.17 3.0792 4 2 2 24 30.80 5.76 2.9031 3 3 3 8 30.80 12.33 2.9031 5 1 1 24 33.61 100.00 2.6667 4 4 0 12 35.20 10.56 2.5498 5 3 1 24 35.20 1.18 2.5498 5 1 3 24 37.72 1.68 2.3851 6 0 2 12 37.72 2.28 2.3851 6 2 0 12 39.16 5.16 2.3004 5 3 3 24 39.63 5.44 2.2741 6 2 2 24 42.81 3.13 2.1123 7 1 1 24 42.81 5.38 2.1123 5 5 1 24 46.23 2.33 1.9639 7 3 1 24 46.23 1.32 1.9639 7 1 3 24 46.23 10.73 1.9639 5 5 3 24 48.26 13.08 1.8856 8 0 0 6 49.46 3.22 1.8429 7 3 3 24 51.40 9.15 1.7778 8 2 2 24 51.40 1.33 1.7778 6 6 0 12 52.54 2.55 1.7419 7 5 1 24 52.54 6.13 1.7419 5 5 5 8 54.40 2.56 1.6866 8 0 4 12 55.86 1.85 1.6459 8 4 2 24 58.35 1.91 1.5813 9 1 3 24 60.10 24.05 1.5396 8 4 4 24 62.82 1.06 1.4792 10 2 0 12 63.83 4.18 1.4583 7 7 3 24 63.83 2.46 1.4583 9 5 1 24 63.83 5.86 1.4583 9 1 5 24 70.65 5.31 1.3333 8 8 0 12 73.17 1.03 1.2935 10 6 0 12 74.10 1.17 1.2795 11 3 3 24 75.65 2.95 1.2571 8 8 4 24 78.11 1.89 1.2236 10 4 6 24 78.11 1.70 1.2236 12 2 2 24 80.55 4.03 1.1926 12 0 4 12 80.55 2.35 1.1926 12 4 0 12 83.87 1.73 1.1536 13 1 1 24 83.87 1.48 1.1536 11 1 7 24 83.87 2.18 1.1536 9 9 3 24 85.37 2.13 1.1371 12 4 4 24 87.77 1.47 1.1121 12 6 2 24 88.67 2.94 1.1031 9 9 5 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.