Nyerereite
McKie D, Frankis E J
Zeitschrift fur Kristallographie 145 (1977) 73-95
Nyerereite: A new volcanic carbonate mineral from Oldoinyo Lengai, Tanzania
Note: low-temperature polymorph that inverted from the high-temperature polymorph
Note: only half of the O atoms have been located
Locality: Oldoinyo Lengai, Tanzania
_database_code_amcsd 0010790
CELL PARAMETERS: 5.0440 8.8090 12.7430 90.000 90.000 90.000
SPACE GROUP: Cmc2_1
X-RAY WAVELENGTH: 1.541838
Cell Volume: 566.205
Density (g/cm3): 1.922
MAX. ABS. INTENSITY / VOLUME**2: 14.49129591
RIR: 2.455
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.90 100.00 6.3715 0 0 2 1
21.34 1.50 4.1629 0 2 1 2
21.46 3.62 4.1398 1 1 1 4
24.57 4.52 3.6231 0 2 2 2
24.68 2.49 3.6079 1 1 2 4
28.01 23.11 3.1858 0 0 4 1
29.21 12.51 3.0575 0 2 3 2
29.30 40.49 3.0483 1 1 3 4
34.75 14.90 2.5813 0 2 4 2
34.83 11.16 2.5758 1 1 4 4
35.37 27.44 2.5377 1 3 0 4
35.60 14.57 2.5220 2 0 0 2
36.09 3.13 2.4888 1 3 1 4
40.98 3.95 2.2023 0 4 0 2
41.25 5.55 2.1886 2 2 0 4
41.88 3.63 2.1570 2 2 1 4
42.57 8.30 2.1238 0 0 6 1
43.48 5.14 2.0814 0 4 2 2
43.73 18.37 2.0699 2 2 2 4
45.71 3.38 1.9849 1 3 4 4
46.45 8.42 1.9551 0 4 3 2
46.69 2.44 1.9455 2 2 3 4
47.59 1.42 1.9108 1 1 6 4
50.37 4.99 1.8115 0 4 4 2
50.60 17.98 1.8039 2 2 4 4
54.55 1.60 1.6824 0 2 7 2
54.60 3.37 1.6809 1 1 7 4
55.74 1.92 1.6493 1 5 1 4
56.50 3.07 1.6287 1 3 6 4
56.66 3.29 1.6245 2 0 6 2
57.89 1.60 1.5929 0 0 8 1
59.86 2.81 1.5452 2 4 3 4
60.11 1.95 1.5393 3 1 3 4
60.57 1.09 1.5287 0 4 6 2
60.77 3.38 1.5242 2 2 6 4
61.95 1.03 1.4979 0 2 8 2
63.05 2.23 1.4744 1 5 4 4
63.20 1.52 1.4713 2 4 4 4
63.35 1.56 1.4682 0 6 0 2
63.44 1.57 1.4662 3 1 4 4
63.79 2.52 1.4591 3 3 0 4
64.26 1.13 1.4496 3 3 1 4
66.66 1.35 1.4031 0 4 7 2
69.84 1.15 1.3468 2 0 8 2
73.54 2.01 1.2879 2 2 8 4
74.45 1.26 1.2743 0 0 10 1
74.83 2.47 1.2688 2 6 0 4
75.26 1.59 1.2626 2 6 1 4
75.38 1.91 1.2610 4 0 0 2
82.14 1.88 1.1735 1 7 3 4
85.21 1.75 1.1388 1 3 10 4
85.75 1.15 1.1330 4 2 4 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.