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-BI2
      Locality:Middle Atlas Neogene-Quaternary Volcanic Field of Morocco
      _database_code_amcsd 0020061

      CELL PARAMETERS:    8.1334   8.1334   8.1334   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    538.042
      Density (g/cm3):      3.850
      MAX. ABS. INTENSITY / VOLUME**2:      26.99538865    
      RIR:      2.283
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.90         17.97        4.6958    1   1   1         8
                31.10         37.86        2.8756    2   2   0        12
                36.64        100.00        2.4523    3   1   1        24
                44.56         37.86        2.0333    4   0   0         6
                55.34         10.75        1.6602    4   2   2        24
                59.01          3.55        1.5653    3   3   3         8
                59.01         39.67        1.5653    5   1   1        24
                64.85         60.52        1.4378    4   4   0        12
                68.22          1.76        1.3748    5   3   1        48
                73.66          3.39        1.2860    6   2   0        24
                76.86          9.85        1.2403    5   3   3        24
                77.91          1.51        1.2262    6   2   2        24
                82.10          4.53        1.1740    4   4   4         8
                85.20          1.80        1.1389    5   5   1        24
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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.