Burtite 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 0005567 CELL PARAMETERS: 8.1221 8.1221 8.1221 90.000 90.000 90.000 SPACE GROUP: Pn3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 535.803 Density (g/cm3): 3.233 MAX. ABS. INTENSITY / VOLUME**2: 69.42518774 RIR: 6.992 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.92 50.32 4.6893 1 1 1 8 21.89 100.00 4.0610 2 0 0 6 26.89 1.04 3.3158 2 1 1 24 31.15 48.07 2.8716 2 2 0 12 34.93 7.98 2.5684 3 0 1 12 34.93 1.99 2.5684 3 1 0 12 36.70 16.27 2.4489 3 1 1 24 38.39 17.16 2.3446 2 2 2 8 41.60 4.01 2.1707 3 1 2 24 44.63 14.52 2.0305 4 0 0 6 48.88 8.35 1.8633 3 3 1 24 50.24 18.42 1.8162 4 0 2 12 50.24 22.56 1.8162 4 2 0 12 55.42 29.05 1.6579 4 2 2 24 59.10 1.67 1.5631 3 3 3 8 59.10 6.14 1.5631 5 1 1 24 64.95 5.86 1.4358 4 4 0 12 68.32 3.80 1.3729 5 3 1 24 68.32 3.32 1.3729 5 1 3 24 69.43 9.42 1.3537 4 4 2 24 73.78 3.86 1.2842 6 0 2 12 73.78 4.26 1.2842 6 2 0 12 76.98 2.17 1.2386 5 3 3 24 78.04 8.74 1.2245 6 2 2 24 82.23 2.04 1.1723 4 4 4 8 85.35 1.09 1.1373 5 5 1 24 86.38 2.34 1.1263 6 0 4 12 86.38 2.21 1.1263 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.