Colquiriite
Diffraction data computed using the structure from the paper listed below, 
along with the cell parameters refined from single crystal data of R070417
      Bolotina N B, Maksimov B A, Simonov V I, Derzhavin S I, Uvarova T V, Apollonov V V
      Crystallography Reports 38 (1993) 446-450
      Atomic structure and spectral properties of LiCaAlF6:Cr3+ single crystals
      Locality: synthetic

      CELL PARAMETERS:   5.0016  5.0016  9.6360   90.000   90.000  120.000
      SPACE GROUP: P-31c     

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Ca     0.00000   0.00000   0.00000     1.000     0.612
            Li     0.33333   0.66667   0.25000     1.000     1.330
            Al     0.66667   0.33333   0.25000     1.000     0.517
            F      0.37690   0.03110   0.14340     1.000     0.926

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    0.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  3 +/-  3 +/-  8
            MAX. ABS. INTENSITY / VOLUME**2:      17.36842969    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                18.41          4.32        4.8180    0   0   2
                20.50          5.67        4.3315    1   0   0
                22.51         40.06        3.9507    1   0   1
                27.69        100.00        3.2211    1   0   2
                34.77          2.67        2.5800    1   0   3
                35.91          2.40        2.5008    1   1   0
                37.33          1.68        2.4090    0   0   4
                40.65         55.50        2.2196    2  -1   2
                40.65         20.66        2.2196    1   1   2
                41.70          9.32        2.1658    2   0   0
                42.96          9.41        2.1053    1   0   4
                45.94         16.60        1.9754    2   0   2
                50.85          2.95        1.7957    2   0   3
                52.76         11.88        1.7350    2  -1   4
                52.76         45.75        1.7350    1   1   4
                56.18          2.56        1.6372    2   1   0
                57.06          2.22        1.6140    2   1   1
                57.37          2.50        1.6060    0   0   6
                59.65          2.57        1.5501    3  -1   2
                59.65         15.79        1.5501    2   1   2
                61.59          5.68        1.5058    1   0   6
                63.81          4.39        1.4586    2   1   3
                64.54         22.04        1.4438    3   0   0
                64.75          2.17        1.4397    2   0   5
                69.41          1.32        1.3541    3  -1   4
                69.57          4.54        1.3513    2  -1   6
                69.57          1.03        1.3513    1   1   6
                73.40          5.59        1.2900    2   0   6
                76.32          1.28        1.2477    3  -1   5
                79.59          2.45        1.2045    0   0   8
                82.81          1.78        1.1657   -1  -3   2
                84.51          1.44        1.1465    2   1   6
                84.51          4.38        1.1465    3  -1   6
                88.00          1.91        1.1098   -2  -2   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.