Spinel Pebble - 520 nm Measured scattering matrix elements as functions of scattering angle (in degrees), corresponding to curves for Spinel Pebble at 520 nm presented in "Experimental phase function and degree of linear polarization curve of olivine and spinel and the origin of the Barbarian polarization behaviour", E. Frattin, J. Martikainen, O. Muñoz, C. Gómez-Martín, T. Jardel, A. Cellino, G. Libourel, K. Muinonen, M. Peiteado and P. Tanga. MNRAS 517, 5463-5472, 2022. The experimental errors are also given. F11 is normalized to 1 at a scattering angle of 30 degrees. DATA ARE FREELY AVAILABLE UNDER THE REQUEST OF CITATION OF: Frattin et al. MNRAS 517, 5463-5472, 2022. AND Munoz et al. JQSRT, 113, 565-574, 2012. theta(deg) F11/F11(30deg) -F12/F11 5 20.863 0.001 6 17.180 0.004 7 13.806 0.008 8 10.686 0.013 9 8.797 0.013 10 7.062 0.026 15 1.601 0.144 20 1.108 0.123 25 1.011 0.159 30 1.000 0.210 35 1.065 0.249 40 1.127 0.277 45 1.275 0.313 50 1.364 0.316 55 1.507 0.331 60 1.701 0.327 65 1.997 0.334 70 2.304 0.313 75 2.630 0.297 80 3.009 0.278 85 3.340 0.254 90 3.560 0.224 95 3.868 0.198 100 4.218 0.174 105 4.612 0.156 110 4.956 0.131 115 5.365 0.112 120 5.846 0.095 125 6.281 0.078 130 6.703 0.063 135 7.182 0.046 140 7.726 0.034 145 8.200 0.019 150 8.742 0.009 150 7.776 0.002 151 6.563 0.007 152 6.785 0.011 153 6.858 0.013 154 7.051 0.007 155 9.246 0.002 160 9.788 -0.007 161 9.881 -0.007 162 10.036 -0.010 163 10.135 -0.010 164 10.245 -0.012 165 10.406 -0.012 166 10.534 -0.014 167 10.693 -0.013 168 10.773 -0.015 169 10.924 -0.015 170 11.051 -0.017 171 11.199 -0.016 172 11.361 -0.017 173 11.477 -0.018