Guidottiite Wahle M W, Bujnowski T J, Guggenheim S, Kogure T Clays and Clay Minerals 58 (2010) 364-376 Guidottiite, the Mn-analogue of cronstedtite: A new serpentine-group mineral from South Africa Locality: N'chwaning 2 mine, Kalahari manganese field, South Africa _database_code_amcsd 0018323 CELL PARAMETERS: 5.5472 5.5472 14.2960 90.000 90.000 120.000 SPACE GROUP: P6_3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 380.972 Density (g/cm3): 3.296 MAX. ABS. INTENSITY / VOLUME**2: 20.51206736 RIR: 2.026 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.38 100.00 7.1480 0 0 2 1 18.47 13.97 4.8040 1 0 0 6 19.49 41.49 4.5538 1 0 1 6 22.30 16.69 3.9872 1 0 2 6 24.91 74.03 3.5740 0 0 4 1 26.34 16.78 3.3832 1 0 3 6 31.19 5.82 2.8675 1 0 4 6 32.28 1.07 2.7736 1 1 0 6 32.89 39.02 2.7228 1 1 1 6 34.69 95.46 2.5858 1 1 2 6 36.57 5.28 2.4570 1 0 5 6 37.52 42.37 2.3971 1 1 3 6 37.76 4.65 2.3827 0 0 6 1 41.20 13.14 2.1912 1 1 4 6 42.13 1.27 2.1449 2 0 3 6 42.34 1.79 2.1345 1 0 6 6 45.50 1.07 1.9936 2 0 4 6 45.57 40.42 1.9908 1 1 5 6 48.43 1.52 1.8795 1 0 7 6 49.56 1.68 1.8391 2 0 5 6 50.25 1.07 1.8157 2 1 0 6 50.50 13.58 1.8073 1 1 6 6 50.68 2.68 1.8013 1 2 1 6 50.68 1.81 1.8013 2 1 1 6 51.11 1.79 1.7870 0 0 8 1 51.96 1.62 1.7599 2 1 2 6 54.05 1.93 1.6967 1 2 3 6 54.05 1.45 1.6967 2 1 3 6 55.91 19.72 1.6446 1 1 7 6 56.88 1.06 1.6188 2 1 4 6 57.56 33.47 1.6013 3 0 0 6 59.12 13.12 1.5626 3 0 2 6 59.40 1.40 1.5559 2 0 7 6 60.39 1.05 1.5328 1 2 5 6 61.75 18.31 1.5022 1 1 8 6 63.68 12.58 1.4614 3 0 4 6 65.27 3.25 1.4296 0 0 10 1 67.91 3.45 1.3803 2 2 1 6 68.01 8.98 1.3784 1 1 9 6 68.98 14.14 1.3614 2 2 2 6 70.75 4.80 1.3316 2 2 3 6 70.91 5.14 1.3291 3 0 6 6 74.70 1.63 1.2707 1 1 10 6 76.32 5.38 1.2478 2 2 5 6 80.06 4.55 1.1986 2 2 6 6 81.85 2.77 1.1768 1 1 11 6 84.43 4.31 1.1473 2 2 7 6 89.44 4.28 1.0956 2 2 8 6 89.54 2.55 1.0946 1 1 12 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.