Kosnarite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from single crystal data of R060250
      Sljukic M, Matkovic B, Prodic B, Anderson D
      Zeitschrift fur Kristallographie 130 (1969) 148-161
      The crystal structure of KZr2(PO4)3
      Locality: synthetic

      CELL PARAMETERS:   8.6970  8.6970 23.8810   90.000   90.000  120.000
      SPACE GROUP: R-3c      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            K      0.00000   0.00000   0.00000     1.000     2.967
            Zr     0.00000   0.00000   0.14970     1.000     0.424
            P     -0.28700   0.00000   0.25000     1.000     0.470
            O      0.30670   0.46850   0.26280     1.000     1.161
            O      0.16800   0.21120   0.19940     1.000     1.085

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  6 +/-  6 +/- 21
            MAX. ABS. INTENSITY / VOLUME**2:      28.86109536    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                13.90         23.70        6.3704    0   1   2
                18.97         41.66        4.6787    1   0   4
                20.42         90.73        4.3485    1   1   0
                23.31         71.42        3.8162    1   1   3
                28.01         37.02        3.1852    0   2   4
                30.45        100.00        2.9360    1   1   6
                31.65          7.32        2.8267    2   1   1
                32.26          4.67        2.7751    0   1   8
                34.92          8.11        2.5696    2   1   4
                35.76         32.96        2.5106    3   0   0
                38.48          3.53        2.3393    2   0   8
                39.59          1.70        2.2764    1   0  10
                39.80          4.00        2.2651    1   1   9
                41.31          1.21        2.1857    2   1   7
                41.53          5.60        2.1742    2   2   0
                42.58         12.95        2.1235    0   3   6
                42.58          2.18        2.1235    3   0   6
                43.13          1.78        2.0974    2   2   3
                43.95          7.85        2.0601    1   2   8
                44.01          1.49        2.0577    3   1   2
                44.95          7.54        2.0168    0   2  10
                45.58          2.51        1.9901    0   0  12
                46.03          7.83        1.9717    1   3   4
                47.66         30.72        1.9081    2   2   6
                48.97          2.41        1.8600    0   4   2
                49.84         20.42        1.8296    2   1  10
                50.43          1.01        1.8096    1   1  12
                51.28          3.80        1.7815    1   3   7
                53.54          5.76        1.7115    3   1   8
                54.57          1.03        1.6818    2   2   9
                55.21          3.57        1.6637    0   1  14
                55.35          7.19        1.6598    3   2   4
                55.95         20.87        1.6436    4   1   0
                56.65          1.04        1.6249    2   3   5
                57.23          2.02        1.6096    4   1   3
                57.90          3.17        1.5926    0   4   8
                58.72         12.07        1.5723    1   3  10
                59.25          3.34        1.5596    0   3  12
                59.25          3.07        1.5596    3   0  12
                59.49          7.62        1.5538    2   0  14
                60.99          7.65        1.5192    1   4   6
                60.99          7.75        1.5192    4   1   6
                62.08          1.50        1.4950    1   1  15
                62.85          4.28        1.4786    4   0  10
                63.55          1.93        1.4641    1   0  16
                63.59          6.67        1.4632    1   2  14
                63.72          3.16        1.4606    0   5   4
                64.26          5.52        1.4495    3   3   0
                66.83          3.22        1.3999    3   2  10
                67.50          1.20        1.3876    0   2  16
                67.67          2.12        1.3846    2   4   4
                68.95          3.91        1.3620    3   3   6
                69.61          1.33        1.3506    5   1   1
                71.35          2.80        1.3219    2   1  16
                71.39          4.93        1.3212    3   1  14
                71.51          6.33        1.3193    5   1   4
                75.46          1.14        1.2597    1   2  17
                75.62          1.97        1.2575    5   1   7
                75.78          5.07        1.2553    6   0   0
                78.18          2.07        1.2227    2   4  10
                78.85          5.17        1.2139    2   3  14
                79.47          1.22        1.2061    5   2   0
                81.64          4.24        1.1793    0   1  20
                82.29          1.01        1.1717    3   3  12
                83.81          1.68        1.1542    5   2   6
                84.36          1.20        1.1481    1   5  11
                85.27          1.20        1.1382    2   0  20
                86.08          2.01        1.1295    3   2  16
                86.12          1.42        1.1291    5   0  14
                88.87          1.89        1.1011    1   2  20
                89.07          1.78        1.0992    4   3  10
                89.72          2.11        1.0929    4   2  14
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.