Almeidaite Menezes L A D, Chukanov N V, Rastsvetaeva R K, Aksenov S M, Pekov I V, Chaves M L S C, Richards R P, Atencio D, Brandao P R G, Scholz R, Krambrock K, Moreira R L, Guimaraes F S, Romano A W, Persiano A C, de Oliveira L C A, Ardisson J D Mineralogical Magazine 79 (2015) 269-283 Almeidaite, Pb(Mn,Y)Zn2(Ti,Fe3+)18O36(O,OH)2, a new crichtonite-group mineral, from Novo Horizonte, Bahia, Brazil Locality: Novo Horizonte, Bahia, Brazil _database_code_amcsd 0020699 CELL PARAMETERS: 10.4359 10.4359 21.0471 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1985.101 Density (g/cm3): 4.577 MAX. ABS. INTENSITY / VOLUME**2: 17.93196432 RIR: 1.276 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.65 7.37 8.3045 1 0 1 6 12.62 2.29 7.0157 0 0 3 2 12.91 1.56 6.8563 0 1 2 6 16.99 9.98 5.2179 1 1 0 6 19.52 4.84 4.5473 1 0 4 6 20.10 4.47 4.4182 0 2 1 6 21.40 10.46 4.1522 2 0 2 6 23.31 19.47 3.8158 0 1 5 6 25.39 3.86 3.5078 0 0 6 2 25.99 60.06 3.4282 0 2 4 6 27.45 10.50 3.2491 1 2 2 6 28.99 39.05 3.0801 2 0 5 6 29.65 33.24 3.0126 3 0 0 6 30.71 44.88 2.9112 1 1 6 6 30.71 55.12 2.9112 2 -1 6 6 31.22 8.64 2.8651 2 1 4 6 31.22 49.72 2.8651 3 -1 4 6 31.35 10.32 2.8530 1 0 7 6 32.34 25.58 2.7682 0 3 3 6 32.34 23.84 2.7682 3 0 3 6 33.79 21.20 2.6525 1 2 5 6 33.79 11.25 2.6525 -1 3 5 6 34.37 9.85 2.6090 2 2 0 6 36.09 37.73 2.4890 -1 4 1 6 36.09 3.66 2.4890 1 3 1 6 36.75 14.49 2.4454 4 -2 3 6 36.75 13.99 2.4454 2 2 3 6 36.86 19.48 2.4384 3 1 2 6 38.50 1.96 2.3386 0 0 9 2 39.84 14.54 2.2630 1 3 4 6 39.84 30.66 2.2630 -1 4 4 6 39.95 3.58 2.2570 2 1 7 6 41.95 38.43 2.1537 3 1 5 6 41.95 5.01 2.1537 4 -1 5 6 42.35 2.11 2.1340 1 1 9 6 42.35 3.17 2.1340 2 -1 9 6 43.41 3.58 2.0844 1 2 8 6 44.18 3.01 2.0499 1 0 10 6 44.54 2.70 2.0343 2 3 2 6 45.57 1.04 1.9908 0 4 5 6 46.02 7.34 1.9722 1 4 0 6 46.02 3.19 1.9722 4 1 0 6 47.11 9.73 1.9290 5 -2 4 6 47.21 8.00 1.9253 -1 4 7 6 47.66 3.26 1.9079 0 2 10 6 47.91 2.67 1.8986 -1 5 3 6 47.91 3.54 1.8986 4 1 3 6 48.97 10.48 1.8600 2 3 5 6 50.28 46.91 1.8148 3 1 8 6 50.53 1.46 1.8063 4 0 7 6 50.69 1.42 1.8009 0 5 1 6 50.96 6.77 1.7919 2 1 10 6 52.15 3.60 1.7539 0 0 12 2 53.29 1.09 1.7191 -1 5 6 6 53.29 10.46 1.7191 5 -1 6 6 53.29 11.64 1.7191 1 4 6 6 53.29 2.74 1.7191 4 1 6 6 53.61 3.24 1.7095 0 5 4 6 53.70 1.28 1.7069 3 2 7 6 53.85 1.45 1.7024 2 4 1 6 55.25 1.02 1.6625 1 1 12 6 55.25 1.34 1.6625 2 -1 12 6 55.31 5.83 1.6609 5 0 5 6 56.66 2.55 1.6245 2 4 4 6 56.66 4.05 1.6245 -2 6 4 6 57.15 52.27 1.6119 -1 4 10 6 57.86 1.65 1.5936 1 0 13 6 58.30 2.67 1.5827 4 2 5 6 58.30 4.00 1.5827 6 -2 5 6 59.30 3.59 1.5583 3 3 6 6 59.30 4.91 1.5583 6 -3 6 6 59.61 3.60 1.5511 5 1 4 6 59.61 1.62 1.5511 6 -1 4 6 60.08 1.73 1.5401 4 0 10 6 60.91 17.91 1.5209 3 1 11 6 61.20 2.07 1.5145 1 5 5 6 61.57 1.93 1.5063 6 0 0 6 62.54 1.45 1.4851 2 4 7 6 62.92 1.08 1.4771 3 2 10 6 63.20 2.32 1.4712 -3 7 2 6 63.60 1.05 1.4630 3 -1 13 6 63.60 3.85 1.4630 2 1 13 6 64.38 3.81 1.4472 5 2 0 6 64.38 52.55 1.4472 2 5 0 6 65.25 5.12 1.4299 4 3 4 6 65.33 1.30 1.4284 6 -1 7 6 65.43 3.37 1.4265 2 0 14 6 65.90 2.69 1.4174 -2 7 3 6 65.90 2.79 1.4174 5 2 3 6 66.77 3.57 1.4011 -3 7 5 6 67.70 5.01 1.3841 6 0 6 6 67.70 5.94 1.3841 0 6 6 6 68.15 1.21 1.3760 -1 3 14 6 68.15 2.75 1.3760 1 2 14 6 69.06 4.64 1.3600 -1 4 13 6 69.35 3.26 1.3550 2 -1 15 6 71.08 1.92 1.3262 2 4 10 6 71.72 1.17 1.3160 4 0 13 6 72.06 1.16 1.3106 5 -1 12 6 72.06 1.22 1.3106 1 4 12 6 72.11 1.00 1.3098 6 1 5 6 73.45 1.06 1.2893 3 1 14 6 75.23 1.93 1.2630 0 2 16 6 76.08 2.91 1.2511 6 2 1 6 76.55 1.15 1.2445 -2 8 2 6 77.30 1.46 1.2344 0 7 5 6 77.81 3.33 1.2276 3 -1 16 6 78.18 1.01 1.2227 8 -4 6 6 78.18 1.47 1.2227 4 4 6 6 78.44 1.70 1.2192 6 2 4 6 78.60 1.96 1.2171 2 3 14 6 78.86 1.09 1.2138 4 3 10 6 79.85 2.08 1.2012 -2 8 5 6 82.49 3.82 1.1693 0 0 18 2 82.88 2.16 1.1648 1 3 16 6 83.67 1.23 1.1558 5 0 14 6 83.92 1.39 1.1530 -1 7 10 6 84.80 1.29 1.1433 1 4 15 6 85.76 1.30 1.1329 8 -1 6 6 85.76 1.08 1.1329 1 7 6 6 85.90 4.71 1.1315 -2 8 8 6 87.36 1.29 1.1163 2 5 12 6 87.36 1.23 1.1163 7 -2 12 6 87.90 1.64 1.1108 5 -2 16 6 88.53 1.45 1.1045 0 8 4 6 89.81 1.03 1.0921 6 -3 15 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.