Spinel
      Lenaz D, Youbi N, Min A D, Boumehdi M A, Abbou M B
      American Mineralogist 99 (2014) 267-275
      Low intra-crystalline closure temperatures of Cr-bearing spinels from the mantle xenoliths of
      the Middle AtlasNeogene-Quaternary Volcanic Field (Morocco):Mineralogical evidence of a cooler
      mantle beneath the West African Craton.
      Note:Sample MAR-BI24
      Locality:Middle Atlas Neogene-Quaternary Volcanic Field of Morocco
      _database_code_amcsd 0020064

      CELL PARAMETERS:    8.1727   8.1727   8.1727   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    545.879
      Density (g/cm3):      4.074
      MAX. ABS. INTENSITY / VOLUME**2:      33.57311324    
      RIR:      2.683
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.81         21.16        4.7185    1   1   1         8
                30.95         33.42        2.8895    2   2   0        12
                36.46        100.00        2.4642    3   1   1        24
                44.33         35.95        2.0432    4   0   0         6
                55.05          9.45        1.6682    4   2   2        24
                58.70          3.75        1.5728    3   3   3         8
                58.70         36.73        1.5728    5   1   1        24
                64.50         55.33        1.4447    4   4   0        12
                67.84          2.12        1.3814    5   3   1        48
                73.25          2.96        1.2922    6   2   0        24
                76.42          9.29        1.2463    5   3   3        24
                77.47          2.13        1.2321    6   2   2        24
                81.62          4.33        1.1796    4   4   4         8
                84.70          1.76        1.1444    5   5   1        24
                89.80          4.66        1.0921    6   4   2        48
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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.