Oxy-dravite
Bosi F, Skogby H
American Mineralogist 98 (2013) 1442-1448
Oxy-dravite, Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O, a new mineral species
of the tourmaline supergroup
Locality: Osarara, Narok district, Kenya
_database_code_amcsd 0020259
CELL PARAMETERS: 15.9273 15.9273 7.2001 90.000 90.000 120.000
SPACE GROUP: R3m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1581.807
Density (g/cm3): 3.060
MAX. ABS. INTENSITY / VOLUME**2: 7.509303746
RIR: 0.799
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
11.11 1.13 7.9637 1 1 0 6
13.87 33.34 6.3828 1 0 1 3
17.81 17.54 4.9805 0 2 1 3
19.30 12.18 4.5978 3 0 0 3
21.04 59.01 4.2227 2 1 1 6
22.33 80.17 3.9818 2 2 0 6
25.57 52.94 3.4834 0 1 2 3
26.38 10.80 3.3784 1 3 1 6
27.96 1.07 3.1914 2 0 2 3
28.70 2.26 3.1101 4 0 1 3
29.68 10.59 3.0100 4 1 0 6
30.17 66.32 2.9624 1 2 2 6
30.87 8.41 2.8970 3 2 1 6
34.20 5.94 2.6217 3 1 2 6
34.83 100.00 2.5761 0 5 1 3
36.66 3.15 2.4510 2 4 1 6
37.47 9.33 2.4000 0 0 3 1
37.85 14.51 2.3768 2 3 2 6
38.43 17.44 2.3426 5 1 1 6
39.19 2.09 2.2989 6 0 0 3
40.86 1.05 2.2087 5 2 0 6
41.23 12.38 2.1897 5 0 2 3
41.76 12.16 2.1629 4 3 1 6
42.49 5.61 2.1276 0 3 3 3
42.49 5.80 2.1276 3 0 3 3
42.83 4.92 2.1113 4 2 2 6
44.05 11.92 2.0555 2 2 3 6
44.39 41.47 2.0408 1 5 2 6
44.89 8.56 2.0191 1 6 1 6
45.56 2.72 1.9909 4 4 0 6
47.38 29.36 1.9187 3 4 2 6
47.86 1.79 1.9006 3 5 1 6
48.51 6.15 1.8765 1 4 3 6
49.29 8.05 1.8487 6 2 1 6
49.92 1.27 1.8270 7 1 0 6
50.23 1.42 1.8162 6 1 2 6
51.18 2.18 1.7849 1 0 4 3
51.32 4.47 1.7803 3 3 3 6
52.54 2.08 1.7417 0 2 4 3
54.31 3.47 1.6892 2 6 2 6
55.34 16.48 1.6602 0 6 3 3
55.34 4.63 1.6602 6 0 3 3
56.05 14.04 1.6408 2 7 1 6
57.78 3.62 1.5957 4 0 4 3
57.90 16.76 1.5927 5 5 0 6
58.18 3.35 1.5856 4 5 2 6
58.60 2.68 1.5753 8 1 1 6
59.04 1.52 1.5646 3 2 4 6
59.85 4.09 1.5453 4 6 1 6
60.40 4.81 1.5326 9 0 0 3
60.68 5.07 1.5262 7 2 2 6
61.08 1.53 1.5170 7 3 1 6
61.51 15.59 1.5075 0 5 4 3
61.63 3.88 1.5050 8 2 0 6
62.73 4.05 1.4812 2 4 4 6
63.11 1.38 1.4731 1 8 2 6
63.93 15.65 1.4562 5 1 4 6
64.05 3.46 1.4537 1 7 3 6
64.05 1.11 1.4537 7 1 3 6
64.31 5.13 1.4485 6 4 2 6
65.13 3.57 1.4322 0 1 5 3
65.23 5.18 1.4303 7 4 0 6
65.89 1.67 1.4176 1 9 1 6
65.89 7.20 1.4176 6 5 1 6
66.30 12.04 1.4098 4 3 4 6
66.42 1.63 1.4076 3 6 3 6
66.42 3.97 1.4076 6 3 3 6
68.22 1.45 1.3747 3 8 1 6
69.37 10.31 1.3547 10 0 1 3
70.14 3.28 1.3418 5 6 2 6
70.91 1.11 1.3290 7 0 4 3
70.91 3.02 1.3290 3 5 4 6
70.92 2.80 1.3288 0 4 5 3
71.02 4.42 1.3273 6 6 0 6
71.03 4.36 1.3271 5 5 3 6
72.04 1.40 1.3109 6 2 4 6
72.06 2.26 1.3107 2 3 5 6
72.15 10.44 1.3092 10 1 0 6
72.41 2.62 1.3052 8 3 2 6
72.78 1.58 1.2995 5 7 1 6
73.53 1.74 1.2880 0 10 2 3
73.90 1.39 1.2825 8 4 1 6
74.30 11.44 1.2766 5 0 5 3
74.39 4.35 1.2752 9 3 0 6
74.40 2.26 1.2750 2 8 3 6
75.40 2.93 1.2606 5 4 4 6
77.22 3.97 1.2354 0 11 1 3
77.72 1.05 1.2287 7 4 3 6
77.96 1.84 1.2255 4 8 2 6
78.32 1.35 1.2208 2 10 1 6
78.72 2.53 1.2156 3 4 5 6
79.95 1.75 1.2000 0 0 6 1
80.90 1.44 1.1882 6 1 5 6
81.60 3.47 1.1799 11 1 1 6
83.20 1.33 1.1611 3 0 6 3
84.25 5.93 1.1493 10 1 3 6
85.56 1.03 1.1350 1 11 2 6
86.29 1.10 1.1273 6 5 4 6
86.41 1.81 1.1261 9 3 3 6
89.52 2.30 1.0949 10 0 4 3
89.66 1.42 1.0935 3 3 6 6
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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.