Wickmanite Basciano L C, Peterson R C, Roeder P L The Canadian Mineralogist 36 (1998) 1203-1210 Description of schoenfliesite, MgSn(OH)6, and roxbyite, Cu1.72S, from a 1375 BC shipwreck, and rietveld neutron-diffraction refinement of synthetic schoenfliesite, wickmanite, MnSn(OH)6, and burtite, CaSn(OH)6 Locality: a 1375 BC shipwreck _database_code_amcsd 0005566 CELL PARAMETERS: 7.8744 7.8744 7.8744 90.000 90.000 90.000 SPACE GROUP: Pn3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 488.261 Density (g/cm3): 3.750 MAX. ABS. INTENSITY / VOLUME**2: 90.24186053 RIR: 7.836 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.53 24.86 4.5463 1 1 1 8 22.58 100.00 3.9372 2 0 0 6 32.15 50.31 2.7840 2 2 0 12 36.07 6.60 2.4901 3 0 1 12 36.07 1.84 2.4901 3 1 0 12 37.90 10.20 2.3742 3 1 1 24 39.65 17.04 2.2731 2 2 2 8 42.98 3.44 2.1045 3 1 2 24 46.11 15.46 1.9686 4 0 0 6 50.52 4.47 1.8065 3 3 1 24 51.93 18.91 1.7608 4 0 2 12 51.93 22.41 1.7608 4 2 0 12 57.32 28.26 1.6074 4 2 2 24 61.16 2.89 1.5154 5 1 1 24 67.26 6.06 1.3920 4 4 0 12 70.79 1.65 1.3310 5 1 3 24 70.79 1.78 1.3310 5 3 1 24 71.95 1.00 1.3124 6 0 0 6 71.95 9.91 1.3124 4 4 2 24 76.51 4.18 1.2451 6 2 0 12 76.51 3.81 1.2451 6 0 2 12 79.88 1.10 1.2008 5 3 3 24 80.99 8.55 1.1871 6 2 2 24 85.42 2.05 1.1366 4 4 4 8 89.82 2.40 1.0920 6 0 4 12 89.82 2.23 1.0920 6 4 0 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.