Spryite
      Bindi L, Morana M
      Minerals 11 (2021) 286
      Twinning, superstructure and chemical ordering in spryite,
      Ag8(As3+0.50As5+0.50)S6, at ultra-low temperature: An X-ray single-crystal study
      Note: T = 30 K
      Locality: Uchucchacua, Oyon district, Catajambo, Lima Department, Peru
      _database_code_amcsd 0020943

      CELL PARAMETERS:   14.8660  22.2400  10.3940   90.000   90.000   90.000
      SPACE GROUP: Pna2_1    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   3436.463
      Density (g/cm3):      6.549
      MAX. ABS. INTENSITY / VOLUME**2:      46.37105275    
      RIR:      2.306
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.65         13.54        6.0461    2   0   1         2
                14.68         18.18        6.0355    0   3   1         2
                15.85          9.67        5.5922    1   3   1         4
                17.03          1.08        5.2077    1   4   0         4
                18.94          1.51        4.6854    2   3   1         4
                19.06          1.10        4.6560    1   4   1         4
                22.55          1.13        3.9428    1   5   1         4
                23.23          9.98        3.8299    3   3   1         4
                23.94          1.54        3.7165    4   0   0         2
                24.01          1.89        3.7067    0   6   0         2
                24.10         10.77        3.6931    2   3   2         4
                24.75          7.87        3.5966    1   6   0         4
                25.45          2.96        3.4995    4   0   1         2
                26.22          3.55        3.3988    1   6   1         4
                26.83          1.67        3.3224    4   3   0         4
                28.20         30.26        3.1646    4   3   1         4
                28.42         11.08        3.1403    2   0   3         2
                28.44          6.65        3.1388    0   3   3         2
                29.08         19.04        3.0711    1   3   3         4
                29.55         31.96        3.0230    4   0   2         2
                29.60        100.00        3.0177    0   6   2         2
                30.11          8.72        2.9682    3   6   0         4
                30.22         23.75        2.9574    1   6   2         4
                30.93          6.54        2.8916    2   3   3         4
                31.34          1.43        2.8541    3   6   1         4
                31.97          8.95        2.7992    4   3   2         4
                32.01          7.42        2.7961    2   6   2         4
                32.44         24.17        2.7595    5   3   0         4
                33.60          9.41        2.6671    5   3   1         4
                33.80         70.70        2.6516    3   3   3         4
                34.16         15.11        2.6245    4   6   0         4
                34.52          7.89        2.5985    0   0   4         1
                34.63          1.01        2.5902    3   7   1         4
                34.81         20.97        2.5774    3   6   2         4
                35.27          8.56        2.5446    4   6   1         4
                35.42         11.34        2.5342    4   0   3         2
                35.99          9.78        2.4952    1   6   3         4
                36.26         17.73        2.4777    6   0   0         2
                36.64          7.79        2.4529    2   0   4         2
                36.88         36.33        2.4373    5   3   2         4
                37.16         23.21        2.4195    1   3   4         4
                37.31          3.65        2.4101    6   0   1         2
                37.41         12.76        2.4041    0   9   1         2
                37.51         15.40        2.3980    4   3   3         4
                37.54          9.81        2.3960    2   6   3         4
                37.91          8.03        2.3733    1   9   1         4
                38.39         17.59        2.3449    2   9   0         4
                38.42          1.15        2.3427    4   6   2         4
                38.66          9.82        2.3288    2   3   4         4
                38.83          5.55        2.3193    5   6   0         4
                39.31         15.03        2.2920    6   3   1         4
                39.39          6.41        2.2874    2   9   1         4
                39.82          6.45        2.2636    5   6   1         4
                40.00          2.68        2.2541    3   6   3         4
                40.89         13.40        2.2069    1   9   2         4
                41.07          2.30        2.1978    3   3   4         4
                41.76          9.54        2.1630    3   9   1         4
                41.85          9.02        2.1585    5   3   3         4
                42.21          2.85        2.1412    6   3   2         4
                42.49          3.24        2.1277    0   6   4         2
                42.69          3.78        2.1179    5   6   2         4
                42.94          1.46        2.1063    1   6   4         4
                44.00          4.08        2.0578    4   9   0         4
                44.25          3.02        2.0468    4   3   4         4
                44.28          1.47        2.0456    2   6   4         4
                44.37          1.41        2.0416    7   3   0         4
                44.86         21.01        2.0206    6   6   1         4
                44.90          1.98        2.0186    4   9   1         4
                44.98         11.04        2.0154    6   0   3         2
                45.06          5.59        2.0118    0   9   3         2
                45.30         10.94        2.0020    2   0   5         2
                45.31          1.01        2.0016    0   3   5         2
                45.50          1.54        1.9937    1   9   3         4
                45.74          3.90        1.9837    1   3   5         4
                46.45          1.78        1.9551    3   6   4         4
                46.78          4.05        1.9420    2   9   3         4
                47.02          4.02        1.9327    2   3   5         4
                47.16          7.10        1.9273    5   6   3         4
                47.48          1.52        1.9149    6   6   2         4
                47.86          5.44        1.9004    5   9   0         4
                48.71          5.13        1.8694    5   9   1         4
                49.02          3.20        1.8583    8   0   0         2
                49.09          3.42        1.8559    3   3   5         4
                49.16          1.71        1.8533    0  12   0         2
                49.35         28.04        1.8465    4   6   4         4
                49.85          2.25        1.8292    8   0   1         2
                50.39          3.42        1.8110    1  12   1         4
                50.64          1.89        1.8025    8   3   0         4
                50.77          3.39        1.7983    2  12   0         4
                51.18          1.41        1.7848    5   9   2         4
                51.45          7.31        1.7760    8   3   1         4
                51.58          2.84        1.7720    2  12   1         4
                51.62          1.54        1.7706    6   6   3         4
                51.66          2.11        1.7692    4   9   3         4
                51.88          3.59        1.7623    4   3   5         4
                51.91          2.09        1.7615    2   6   5         4
                52.41          1.47        1.7457    0  12   2         2
                52.50          3.21        1.7429    6   3   4         4
                52.70          1.35        1.7368    7   6   2         4
                52.80          1.80        1.7337    1  12   2         4
                52.85          2.91        1.7323    0   0   6         1
                53.08          1.80        1.7254    6   9   1         4
                54.38          1.97        1.6871    2   0   6         2
                54.77          5.14        1.6761    1   3   6         4
                55.12          4.28        1.6662    5   9   3         4
                55.84          4.98        1.6465    3  12   2         4
                56.17          1.81        1.6376    8   0   3         2
                56.47          1.60        1.6295    4   6   5         4
                56.66          1.15        1.6244    1  12   3         4
                57.06          2.48        1.6142    6   6   4         4
                57.09          1.06        1.6132    4   9   4         4
                57.13          3.20        1.6122    9   3   0         4
                57.65          2.68        1.5990    8   3   3         4
                57.73          1.41        1.5969    3   3   6         4
                57.97          4.36        1.5908    0   9   5         2
                58.41          6.14        1.5800    4  12   2         4
                58.81          3.71        1.5701    4   0   6         2
                58.84          1.50        1.5694    0   6   6         2
                59.16          4.55        1.5618    6   9   3         4
                59.20          2.07        1.5607    1   6   6         4
                59.36          1.67        1.5570    6   3   5         4
                59.42          1.08        1.5555    2   9   5         4
                60.09          4.36        1.5398    9   3   2         4
                60.34          2.79        1.5340    5   9   4         4
                61.33          2.53        1.5115    8   0   4         2
                61.45          5.09        1.5089    0  12   4         2
                61.61          1.27        1.5054    5  12   2         4
                62.03          7.45        1.4962    3   6   6         4
                62.54          1.01        1.4852    8   9   0         4
                62.85          1.60        1.4787    2  12   4         4
                63.00          2.12        1.4753    1  15   0         4
                63.25          2.45        1.4702    8   9   1         4
                63.30          3.52        1.4692    6  12   1         4
                63.59          2.02        1.4632    6   6   5         4
                63.66          2.85        1.4617    9   3   3         4
                63.71          3.09        1.4607    1  15   1         4
                64.29          1.61        1.4490    1   3   7         4
                64.29          2.13        1.4489    9   6   2         4
                64.56          2.93        1.4434    3  12   4         4
                64.74          1.10        1.4400    2  15   1         4
                65.28          1.03        1.4293   10   0   2         2
                65.78          2.49        1.4197    6   0   6         2
                66.18          2.45        1.4121    1   9   6         4
                66.43          1.89        1.4074    3  15   1         4
                66.68          2.17        1.4026    5   9   5         4
                66.93          2.50        1.3980    4  12   4         4
                66.99          1.57        1.3969    3   3   7         4
                67.19          1.43        1.3933    2   9   6         4
                67.62          1.19        1.3854    8   0   5         2
                67.70          1.20        1.3839    7  12   1         4
                67.74          1.97        1.3833    9   6   3         4
                68.61          1.13        1.3678   10   6   1         4
                68.71          1.32        1.3662   10   0   3         2
                68.77          3.41        1.3651    8   9   3         4
                68.96          1.05        1.3618    8   3   5         4
                68.98          1.08        1.3614    9   9   1         4
                70.33          1.18        1.3386    6   9   5         4
                71.14          1.04        1.3252    4   9   6         4
                71.54          2.17        1.3188   11   3   1         4
                71.71          1.16        1.3162    5  15   1         4
                71.83          1.07        1.3143    3  15   3         4
                72.25          2.26        1.3076    5   3   7         4
                73.24          1.02        1.2924    4   6   7         4
                73.44          1.02        1.2894    8   9   4         4
                73.48          1.82        1.2887    6  12   4         4
                73.69          1.44        1.2856    5  15   2         4
                73.87          1.05        1.2830    1  15   4         4
                73.94          1.34        1.2819   10   6   3         4
                74.88          1.23        1.2681    1   9   7         4
                74.95          1.11        1.2671    8   0   6         2
                77.42          1.30        1.2327    3   9   7         4
                77.55          1.07        1.2310    6   9   6         4
                78.83          1.04        1.2141    9   9   4         4
                79.22          2.22        1.2092   10   0   5         2
                79.35          1.40        1.2075    7  15   1         4
                80.03          1.42        1.1990    8   6   6         4
                80.11          1.01        1.1980    4  12   6         4
                81.44          1.06        1.1817    5  15   4         4
                82.59          2.27        1.1682    3  18   2         4
                84.03          1.24        1.1518    8  15   1         4
                84.55          1.31        1.1461    8   3   7         4
                86.82          1.25        1.1218   11   9   3         4
                87.15          1.07        1.1184    5  15   5         4
                89.02          1.21        1.0997   10  12   3         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.