Laachite
Chukanov N V, Krivovichev S V, Pakhomova A S,Pekov I V,Schafer C, Vigasina M F, Van K V
European Journal of Mineralogy 26 (2011) 103-111
Laachite, (Ca,Mn)2Zr2Nb2TiFeO14, a new zirconolite-related mineral from the Eifel
volcanic region, Germany
Locality: Laach Lake volcano, Eifel region, Germany
_database_code_amcsd 0020511
CELL PARAMETERS: 7.3119 14.1790 10.1700 90.000 90.072 90.000
SPACE GROUP: C2/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1054.378
Density (g/cm3): 5.391
MAX. ABS. INTENSITY / VOLUME**2: 65.25809104
RIR: 3.942
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
15.23 2.01 5.8159 0 2 1 4
24.06 5.88 3.6985 -1 3 1 4
24.07 4.21 3.6968 1 3 1 4
26.63 1.62 3.3473 0 4 1 4
30.09 55.93 2.9701 -2 0 2 2
30.12 54.60 2.9666 2 0 2 2
30.75 100.00 2.9079 0 4 2 4
35.27 32.19 2.5449 2 4 0 4
35.30 17.18 2.5425 0 0 4 2
38.35 3.36 2.3471 -2 2 3 4
38.39 3.19 2.3445 2 2 3 4
39.13 3.25 2.3018 0 6 1 4
41.56 1.10 2.1730 -3 1 2 4
41.60 1.19 2.1709 3 1 2 4
42.69 1.09 2.1182 3 3 1 4
46.35 1.11 1.9588 3 1 3 4
47.42 1.54 1.9172 -1 7 1 4
47.43 2.08 1.9169 1 7 1 4
49.89 16.40 1.8280 4 0 0 2
50.73 30.42 1.7995 -2 4 4 4
50.78 29.19 1.7979 2 4 4 4
51.57 11.91 1.7724 0 8 0 2
52.40 1.01 1.7461 0 8 1 4
54.21 1.84 1.6919 -1 7 3 4
54.23 1.41 1.6914 1 7 3 4
59.73 11.27 1.5481 -4 4 2 4
59.78 10.91 1.5471 4 4 2 4
60.08 1.38 1.5400 -3 7 1 4
60.09 1.14 1.5397 3 7 1 4
60.14 5.67 1.5385 -2 0 6 2
60.21 5.34 1.5370 2 0 6 2
60.55 11.60 1.5292 0 4 6 4
60.86 9.34 1.5220 -2 8 2 4
60.89 9.03 1.5215 2 8 2 4
62.55 3.85 1.4851 -4 0 4 2
62.63 3.59 1.4833 4 0 4 2
64.04 5.91 1.4540 0 8 4 4
66.02 1.06 1.4151 3 7 3 4
74.58 5.65 1.2725 4 8 0 4
74.66 3.40 1.2712 0 0 8 2
81.13 2.09 1.1854 -6 0 2 2
81.19 2.04 1.1848 6 0 2 2
82.13 4.09 1.1735 -4 4 6 4
82.24 3.73 1.1722 4 4 6 4
83.14 2.95 1.1618 -2 8 6 4
83.20 2.85 1.1612 2 8 6 4
83.97 2.88 1.1524 6 4 0 4
84.11 2.18 1.1509 0 12 2 4
85.26 2.37 1.1383 -4 8 4 4
85.32 2.94 1.1377 -2 4 8 4
85.33 2.27 1.1375 4 8 4 4
85.39 2.75 1.1369 2 4 8 4
86.58 1.77 1.1243 2 12 0 4
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XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.