Welshite
      Grew E S, Barbier J, Britten J, Halenius U, Shearer C K
      American Mineralogist 92 (2007) 80-90
      The crystal chemistry of welshite, a non-centrosymmetric (P1) aenigmatite-
      sapphirine-surinamite group mineral
      _database_code_amcsd 0004268

      CELL PARAMETERS:   10.3940  10.7770   8.8960  105.953   96.294  124.948
      SPACE GROUP: P1        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    738.874
      Density (g/cm3):      3.894
      MAX. ABS. INTENSITY / VOLUME**2:      6.903929863    
      RIR:      0.577
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.47         20.95        9.3432   -1   1   0         1
                10.99         29.31        8.0473    0   0   1         1
                11.01         31.03        8.0393    0   1   0         1
                11.04          8.54        8.0156    1   0   0         1
                11.91        100.00        7.4324    0  -1   1         1
                12.67         13.89        6.9845   -1   0   1         1
                13.89          7.49        6.3767    1  -1   1         1
                15.14          7.78        5.8519   -1   1   1         1
                17.35          5.15        5.1103   -1   2   0         1
                17.42         31.03        5.0921   -2   1   0         1
                17.43          6.30        5.0888    1  -2   1         1
                18.07          7.79        4.9080    1   0   1         1
                18.34          6.89        4.8370   -1  -1   1         1
                18.55         87.37        4.7822    0   1   1         1
                18.99         12.34        4.6724   -2   1   1         1
                19.00         11.48        4.6716   -2   2   0         1
                19.98          6.01        4.4447    1   1   0         1
                20.17         21.90        4.4016    0  -1   2         1
                20.19         25.67        4.3976    0  -2   1         1
                21.08          3.90        4.2138   -1   0   2         1
                21.15         43.40        4.2013    2  -2   1         1
                21.15         43.21        4.2002   -2   0   1         1
                22.09         23.04        4.0236    0   0   2         1
                22.11         22.99        4.0197    0   2   0         1
                22.17          8.96        4.0093    2  -1   1         1
                22.18          8.90        4.0078    2   0   0         1
                22.80          4.71        3.8999   -1  -1   2         1
                22.82         52.67        3.8963   -2   2   1         1
                23.30          5.53        3.8176    1  -1   2         1
                23.34          1.03        3.8111   -1   2   1         1
                23.51          5.70        3.7843    1  -2   2         1
                23.95         33.08        3.7162    0  -2   2         1
                24.84          2.44        3.5844   -1   1   2         1
                25.51         19.25        3.4922   -2   0   2         1
                25.51         20.92        3.4913    2  -3   1         1
                25.76          2.19        3.4589    1  -3   1         1
                25.81          3.52        3.4518   -2   1   2         1
                25.82          2.74        3.4499   -2   3   0         1
                26.65          7.75        3.3449    1   1   1         1
                27.28          1.20        3.2697   -3   1   1         1
                27.35          4.31        3.2612   -3   2   1         1
                27.63          3.47        3.2287   -1  -2   1         1
                27.65          3.01        3.2263   -1   3   0         1
                27.76          1.39        3.2140   -3   1   0         1
                27.98         11.29        3.1887    1   0   2         1
                27.98         17.79        3.1884    2  -2   2         1
                28.00         19.65        3.1861   -2  -1   1         1
                28.03         33.28        3.1828    2   0   1         1
                28.50          4.01        3.1314    1  -3   2         1
                28.63         21.00        3.1179    0   1   2         1
                28.64         22.15        3.1166    0   2   1         1
                28.66          3.14        3.1144   -3   3   0         1
                29.05          1.77        3.0741    3  -2   1         1
                29.09          3.30        3.0697   -1  -2   2         1
                29.76          8.39        3.0022    2  -3   2         1
                29.77          8.47        3.0014   -2  -1   2         1
                29.85          2.73        2.9931    3  -3   1         1
                30.45         34.58        2.9359    0  -1   3         1
                30.48         34.18        2.9328    0  -3   1         1
                30.53         13.28        2.9283    1   2   0         1
                30.54          2.29        2.9268    2  -1   2         1
                30.55         19.88        2.9259   -2   2   2         1
                30.56         17.74        2.9250   -2   3   1         1
                30.56          2.29        2.9249    2   1   0         1
                30.93          1.28        2.8911   -1  -1   3         1
                31.13          2.15        2.8730   -3   1   2         1
                31.38          2.49        2.8511   -1   0   3         1
                31.50         10.43        2.8399    0  -2   3         1
                31.52         10.00        2.8381    0  -3   2         1
                31.69         14.72        2.8233   -3   3   1         1
                32.31         19.93        2.7704   -1   2   2         1
                32.40         33.95        2.7633    3  -1   1         1
                32.52          1.66        2.7533    1  -2   3         1
                32.84         12.24        2.7272   -3   2   2         1
                33.31         52.94        2.6901   -2   0   3         1
                33.33         53.17        2.6883    2  -4   1         1
                33.38          2.46        2.6841   -3   0   2         1
                33.46         16.69        2.6779   -1   3   1         1
                33.54         21.29        2.6719    3   0   0         1
                33.96         10.27        2.6396    1  -1   3         1
                34.41          2.03        2.6064   -1  -2   3         1
                34.55          1.27        2.5961    3  -4   1         1
                34.90          2.44        2.5712    1  -3   3         1
                35.06          8.13        2.5594   -3   4   0         1
                35.09         13.70        2.5571   -2   1   3         1
                35.12         14.13        2.5552   -2   4   0         1
                35.14          2.24        2.5540   -4   3   0         1
                35.14          2.33        2.5540   -4   2   1         1
                35.25         76.43        2.5460   -4   2   0         1
                35.27         55.32        2.5450   -2  -1   3         1
                35.27         55.37        2.5444    2  -4   2         1
                35.61         11.18        2.5210   -1   1   3         1
                35.69         10.73        2.5154    3  -2   2         1
                35.81          1.66        2.5077    1   1   2         1
                35.86          2.08        2.5039    1  -4   1         1
                36.26          3.86        2.4775    0  -3   3         1
                36.52          3.96        2.4607   -4   3   1         1
                36.62         12.37        2.4540    2   0   2         1
                36.63         11.42        2.4532    2   1   1         1
                36.86          1.20        2.4384    1   2   1         1
                37.18         23.37        2.4185    2  -2   3         1
                37.21         22.42        2.4163   -2  -2   1         1
                37.33          2.39        2.4088    4  -3   1         1
                37.34          2.55        2.4084   -4   1   1         1
                37.62          8.24        2.3911    0   2   2         1
                38.14          5.18        2.3593   -3   1   3         1
                38.19          6.27        2.3566   -1  -3   1         1
                38.25          5.56        2.3529   -2   3   2         1
                38.54          6.36        2.3362   -4   2   2         1
                38.54          6.36        2.3358   -4   4   0         1
                38.71          6.53        2.3262   -1   4   0         1
                38.77          4.97        2.3224   -3  -1   1         1
                38.85          4.98        2.3180    4  -2   1         1
                38.86          5.14        2.3176   -4   1   0         1
                39.04          1.34        2.3074   -3   4   1         1
                39.22          2.22        2.2971    4  -4   1         1
                39.22          1.83        2.2971   -4   1   2         1
                39.58          2.10        2.2769    0   1   3         1
                39.61          1.98        2.2755    0   3   1         1
                40.19          2.28        2.2438   -2   2   3         1
                40.21          1.81        2.2426   -2   4   1         1
                40.49          1.19        2.2280    2  -4   3         1
                40.50          1.31        2.2275   -2  -2   3         1
                40.50          1.54        2.2274    1  -4   3         1
                40.56          4.26        2.2241    2  -1   3         1
                40.59          4.47        2.2224    2   2   0         1
                40.80          1.29        2.2118   -1  -1   4         1
                41.01          1.53        2.2008    0  -2   4         1
                41.05          1.53        2.1988    0  -4   2         1
                41.51         10.63        2.1755    0  -1   4         1
                41.56          9.76        2.1731    0  -4   1         1
                41.74          1.08        2.1639    1   3   0         1
                42.00          4.35        2.1513    3  -5   1         1
                42.46          4.27        2.1291   -1   0   4         1
                42.53          2.58        2.1256    3  -3   3         1
                42.64          1.09        2.1203   -4   0   1         1
                42.89          3.08        2.1087    1  -2   4         1
                42.93         45.86        2.1069   -2   0   4         1
                42.96         45.32        2.1051    2  -5   1         1
                43.06          8.31        2.1007    4  -4   2         1
                43.07          8.37        2.1001   -4   0   2         1
                43.48         58.20        2.0814    4  -1   1         1
                43.65          3.13        2.0735    0  -3   4         1
                43.67          2.49        2.0726    0  -4   3         1
                44.14          1.65        2.0520   -4   1   3         1
                44.15          1.85        2.0514    4  -5   1         1
                44.77          2.31        2.0243   -4   2   3         1
                44.79          2.46        2.0236   -4   5   0         1
                44.99          2.52        2.0149    2   1   2         1
                45.06          3.93        2.0118    0   0   4         1
                45.11          4.23        2.0098    0   4   0         1
                45.23          4.00        2.0046    4  -2   2         1
                45.25          3.73        2.0039    4   0   0         1
                45.28          1.12        2.0028    1  -1   4         1
                45.61         19.93        1.9888   -2   1   4         1
                45.66         18.89        1.9871   -2   5   0         1
                46.39          3.89        1.9572   -3   0   4         1
                46.43          1.28        1.9559    2  -3   4         1
                46.47          1.36        1.9542   -2  -3   2         1
                46.47          3.79        1.9540    4  -5   2         1
                46.47          4.43        1.9540   -4   0   3         1
                46.58          2.91        1.9500   -2  -2   4         1
                46.59          3.10        1.9496    2  -5   3         1
                46.62         17.83        1.9481   -4   4   2         1
                46.70          1.17        1.9452    2   0   3         1
                46.75          1.04        1.9431   -1  -3   4         1
                46.75          4.18        1.9430    3   0   2         1
                46.89          2.36        1.9376    1  -5   1         1
                46.94          2.49        1.9355   -3  -2   2         1
                47.02          1.08        1.9326   -1   1   4         1
                47.61          2.70        1.9101    3   1   1         1
                47.64          5.67        1.9088    2  -2   4         1
                47.69          5.46        1.9069   -2  -3   1         1
                47.72          1.59        1.9060   -2   3   3         1
                47.73          1.62        1.9055   -2   4   2         1
                47.94          1.31        1.8975    0   2   3         1
                47.96          1.06        1.8970    0   3   2         1
                48.09          1.36        1.8922    2  -4   4         1
                48.12          1.40        1.8911   -2  -3   3         1
                48.12          2.58        1.8908   -1  -4   2         1
                48.29          2.35        1.8848   -4   3   3         1
                48.30          2.51        1.8842   -4   5   1         1
                48.37          1.06        1.8818   -5   1   1         1
                48.97          1.19        1.8602   -5   1   2         1
                49.03          2.00        1.8581    0  -4   4         1
                49.08          1.16        1.8560    5  -5   1         1
                49.47          3.63        1.8424    4  -4   3         1
                49.50          3.44        1.8414   -4  -1   2         1
                50.23          2.12        1.8165    4  -3   3         1
                50.26          2.09        1.8154   -4  -1   1         1
                50.33          1.46        1.8130   -5   4   2         1
                50.35          1.80        1.8123   -1   5   0         1
                50.37          1.31        1.8117    1   0   4         1
                50.52          1.58        1.8066    4  -1   2         1
                50.53          1.77        1.8063    4   0   1         1
                50.78          2.99        1.7978    5  -4   2         1
                50.99          1.28        1.7910   -2   5   1         1
                51.13          2.08        1.7864   -5   5   1         1
                51.14          1.18        1.7862   -5   2   3         1
                51.17          1.88        1.7852    0   1   4         1
                51.21          2.29        1.7839    0   4   1         1
                51.34          3.67        1.7798    3  -6   2         1
                51.40          4.44        1.7779   -4   1   4         1
                51.42          4.23        1.7770    4  -6   1         1
                51.46          1.02        1.7758    4  -5   3         1
                51.47          1.05        1.7753   -4  -1   3         1
                51.58          4.57        1.7721    2  -1   4         1
                51.62          4.30        1.7705    2   3   0         1
                51.69          5.38        1.7683    0  -2   5         1
                51.72          1.64        1.7676   -1  -1   5         1
                51.75          5.67        1.7665    0  -5   2         1
                51.78          3.05        1.7655    3  -4   4         1
                52.15          1.87        1.7538    5  -5   2         1
                52.41          6.29        1.7457    2  -5   4         1
                52.42          6.20        1.7454   -2  -3   4         1
                52.69          2.52        1.7373   -5   3   3         1
                52.84          1.75        1.7326    0  -3   5         1
                52.88          1.81        1.7313    0  -5   3         1
                52.90          2.90        1.7308   -2  -1   5         1
                52.94          3.33        1.7294    2  -6   2         1
                53.06          3.32        1.7259   -4   2   4         1
                53.09          3.57        1.7250   -4   6   0         1
                53.21          1.39        1.7214    0  -1   5         1
                53.27          1.83        1.7196    0  -5   1         1
                53.55          1.60        1.7113    1   4   0         1
                53.56          2.95        1.7111   -6   4   1         1
                53.63          2.13        1.7088    4  -2   3         1
                53.64          1.97        1.7088    1  -3   5         1
                53.67          2.11        1.7079    4   1   0         1
                53.92          3.71        1.7005   -5   0   2         1
                54.03          3.29        1.6974   -6   3   0         1
                54.19          1.23        1.6925   -1   0   5         1
                54.25          1.39        1.6908    5  -6   1         1
                54.28          1.04        1.6901    3  -5   4         1
                54.34          1.76        1.6883   -3   4   3         1
                54.44          1.01        1.6855   -5   0   1         1
                54.70          1.03        1.6780    3  -2   4         1
                54.72          1.77        1.6776   -2  -2   5         1
                54.75          1.85        1.6767    2  -6   3         1
                54.88          1.36        1.6728    2   1   3         1
                54.90          1.36        1.6724    2   2   2         1
                54.99          1.94        1.6698   -5   6   0         1
                55.10          1.21        1.6666   -3   5   2         1
                55.53          3.36        1.6549    6  -4   1         1
                55.54          3.22        1.6546   -6   2   1         1
                55.97          1.30        1.6429   -5   0   3         1
                55.97          4.49        1.6428    4  -6   3         1
                55.97          4.82        1.6428   -4  -1   4         1
                56.27          3.91        1.6349    6  -5   1         1
                56.27          3.65        1.6348   -6   2   2         1
                56.43          2.88        1.6306   -6   4   2         1
                56.43          2.49        1.6305   -6   5   1         1
                56.53         15.94        1.6279    0  -4   5         1
                56.56         15.65        1.6273    0  -5   4         1
                56.57          1.17        1.6269   -3   3   4         1
                56.64          2.77        1.6250   -3  -1   5         1
                56.98          1.82        1.6162   -2   4   3         1
                56.99          1.01        1.6159    2  -3   5         1
                57.04         13.41        1.6146   -2   1   5         1
                57.05          1.06        1.6143   -2  -4   2         1
                57.08          1.88        1.6135    1  -6   2         1
                57.10         13.30        1.6131   -2   6   0         1
                57.13          2.61        1.6123   -3  -3   3         1
                57.24          2.22        1.6096   -4   3   4         1
                57.24          1.25        1.6095    0   0   5         1
                57.27          2.50        1.6088   -4   6   1         1
                57.30          1.01        1.6079    0   5   0         1
                57.33          1.88        1.6072    6  -3   1         1
                57.33          2.06        1.6070   -6   2   0         1
                57.49          2.75        1.6031    5   0   0         1
                57.62          2.34        1.5997    5  -5   3         1
                57.83          2.45        1.5944    2   0   4         1
                57.84         14.48        1.5941    0   3   3         1
                57.87          2.80        1.5933    2   3   1         1
                57.93          1.46        1.5919   -5   2   4         1
                57.95         18.46        1.5914    4   0   2         1
                58.98          2.22        1.5659   -2  -3   5         1
                58.99          2.44        1.5657    2  -6   4         1
                59.34          1.69        1.5575   -6   3   3         1
                59.35          1.71        1.5572   -6   6   0         1
                59.47         10.81        1.5543   -6   2   3         1
                59.48         10.95        1.5542    6  -6   1         1
                59.53          2.05        1.5528    4  -3   4         1
                59.58          1.93        1.5516   -4  -2   1         1
                59.60          1.21        1.5512   -1  -5   3         1
                59.63          3.65        1.5506    5  -3   3         1
                59.90          3.66        1.5441    6  -5   2         1
                59.92          3.38        1.5438   -6   1   2         1
                60.17          1.15        1.5379   -3  -3   4         1
                60.22          2.21        1.5367   -6   5   2         1
                60.22          1.01        1.5366   -6   1   1         1
                60.34          1.41        1.5341   -4   0   5         1
                60.37          1.50        1.5333    4  -7   2         1
                60.43          1.27        1.5319   -4   1   5         1
                60.47          1.16        1.5309    4  -7   1         1
                61.52          3.24        1.5074    6  -2   1         1
                62.01         26.16        1.4965    6  -6   2         1
                62.02         26.84        1.4964   -6   1   3         1
                62.23         29.10        1.4919   -4   5   3         1
                62.40          1.76        1.4882    3  -7   3         1
                62.48         18.39        1.4865    0  -5   5         1
                62.48          2.75        1.4864   -5  -1   1         1
                62.64          1.78        1.4830   -4  -1   5         1
                62.66          4.18        1.4826   -2   2   5         1
                62.66          1.91        1.4826    4  -7   3         1
                62.71          3.93        1.4815   -2   6   1         1
                62.72          1.81        1.4813   -1  -2   6         1
                62.78          1.64        1.4800    3  -5   5         1
                62.92          1.24        1.4772   -4   2   5         1
                62.96          1.07        1.4762   -4   7   0         1
                63.20          1.93        1.4713   -7   4   0         1
                63.40          6.66        1.4672    0  -3   6         1
                63.46          6.29        1.4659    0  -6   3         1
                63.48         27.43        1.4655    2  -1   5         1
                63.54         27.53        1.4642    2   4   0         1
                63.58          1.54        1.4634    4  -2   4         1
                63.60          4.62        1.4630   -4   4   4         1
                63.62          4.20        1.4625   -4   6   2         1
                63.63          1.38        1.4624    4   2   0         1
                63.80          1.17        1.4589   -2  -1   6         1
                63.86          1.08        1.4576    2  -7   2         1
                63.89          1.07        1.4571   -7   3   1         1
                64.67          1.64        1.4413    2   2   3         1
                64.91          2.02        1.4365   -6   2   4         1
                64.93          2.07        1.4361    6  -7   1         1
                65.04          2.24        1.4340    3   1   3         1
                65.66          2.61        1.4220    0  -1   6         1
                65.74          2.56        1.4205    0  -6   1         1
                65.74          1.26        1.4205    6  -5   3         1
                65.75          2.44        1.4203   -6   3   4         1
                65.77          1.28        1.4199   -6   0   2         1
                65.77          2.31        1.4198   -6   7   0         1
                65.86          1.45        1.4181    5  -4   4         1
                66.98          3.29        1.3972    6  -4   3         1
                67.01          3.31        1.3966   -6   0   1         1
                67.05          1.19        1.3958   -3  -4   3         1
                67.21          1.86        1.3930    4  -7   4         1
                67.21          1.85        1.3930   -4  -2   5         1
                67.42          1.62        1.3891   -2  -3   6         1
                67.45          1.67        1.3885    2  -7   4         1
                67.56          1.03        1.3866    4  -5   5         1
                67.61          1.14        1.3856   -4  -3   3         1
                68.11          1.04        1.3766    2  -4   6         1
                68.18          1.08        1.3754   -2  -5   3         1
                68.68          1.33        1.3667    2  -3   6         1
                68.76          1.20        1.3652   -2  -5   2         1
                68.88          1.31        1.3632    1  -7   3         1
                68.91          1.19        1.3626   -3  -4   4         1
                69.11          2.05        1.3593    7  -3   1         1
                69.59          6.87        1.3510    4  -6   5         1
                69.63          6.75        1.3503   -4  -3   4         1
                69.77          1.13        1.3479   -7   2   0         1
                69.81          1.26        1.3473    2  -5   6         1
                69.86          1.33        1.3464   -2  -5   4         1
                69.91          1.08        1.3456   -5  -2   2         1
                69.99          5.26        1.3443    2   0   5         1
                70.04          4.89        1.3433    2   4   1         1
                70.11          2.24        1.3422    6  -7   3         1
                70.12          2.34        1.3421   -6   0   4         1
                70.26          2.06        1.3397   -2   3   5         1
                70.30          2.33        1.3390   -2   6   2         1
                70.46          1.44        1.3364    6  -3   3         1
                70.49          1.46        1.3359    6   0   0         1
                70.87          2.59        1.3296   -7   6   2         1
                70.96          1.81        1.3283   -4   1   6         1
                71.16          5.08        1.3249   -4  -1   6         1
                71.48          1.04        1.3198    2  -2   6         1
                71.52          1.47        1.3192   -7   5   3         1
                71.56          1.13        1.3185   -2  -5   1         1
                71.86          2.72        1.3137   -4   5   4         1
                71.88          2.82        1.3135   -4   6   3         1
                72.64          1.17        1.3016    1   5   1         1
                72.82          1.05        1.2988   -6   6   3         1
                72.96          2.33        1.2966   -1   4   4         1
                73.62          2.09        1.2866   -1   5   3         1
                73.81          3.52        1.2839    4  -7   5         1
                73.83          3.70        1.2835   -4  -3   5         1
                74.05          1.91        1.2803   -6   3   5         1
                74.57          1.27        1.2725    3  -3   6         1
                74.87          1.30        1.2682   -1   3   5         1
                75.91          1.58        1.2534    6  -7   4         1
                75.93          1.07        1.2532   -2  -1   7         1
                75.94          1.69        1.2530   -6  -1   4         1
                76.73          1.19        1.2420    0   1   6         1
                76.81          1.08        1.2410    0   6   1         1
                76.98          2.47        1.2387    0  -6   6         1
                78.11          6.17        1.2236    4  -5   6         1
                78.19          5.89        1.2226   -4  -4   3         1
                79.15          1.04        1.2101    4  -6   6         1
                79.21          1.06        1.2092   -4  -4   4         1
                79.48          1.17        1.2059   -4   3   6         1
                79.65          3.77        1.2037    2  -7   6         1
                79.66          3.76        1.2035   -2  -5   6         1
                79.72          1.17        1.2028   -3  -5   2         1
                80.30          5.27        1.1956    0   4   4         1
                80.33          1.28        1.1952   -6  -1   5         1
                81.12          2.17        1.1855   -4   0   7         1
                81.62          1.62        1.1796    2  -3   7         1
                81.73          1.49        1.1783   -2  -6   2         1
                81.88          1.83        1.1765   -4   6   4         1
                82.45          1.67        1.1698    4  -3   6         1
                82.54          1.66        1.1688   -4  -4   1         1
                83.77          1.49        1.1547    2  -6   7         1
                83.82          1.70        1.1541   -6   5   5         1
                83.83          1.46        1.1540   -2  -6   5         1
                86.85          1.20        1.1215    3   2   4         1
                88.76          1.13        1.1023   -6   4   6         1
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.