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-BI4
      Locality:Middle Atlas Neogene-Quaternary Volcanic Field of Morocco
      _database_code_amcsd 0020062

      CELL PARAMETERS:    8.1454   8.1454   8.1454   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    540.427
      Density (g/cm3):      3.936
      MAX. ABS. INTENSITY / VOLUME**2:      29.12153809    
      RIR:      2.409
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.87         20.78        4.7027    1   1   1         8
                31.05         35.35        2.8798    2   2   0        12
                36.59        100.00        2.4559    3   1   1        24
                44.49         38.01        2.0364    4   0   0         6
                55.25          9.98        1.6627    4   2   2        24
                58.92          3.57        1.5676    3   3   3         8
                58.92         38.43        1.5676    5   1   1        24
                64.74         58.35        1.4399    4   4   0        12
                68.10          1.99        1.3768    5   3   1        48
                73.54          3.13        1.2879    6   2   0        24
                76.72          9.51        1.2422    5   3   3        24
                77.78          1.70        1.2280    6   2   2        24
                81.95          4.49        1.1757    4   4   4         8
                85.05          1.81        1.1406    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.