Point a white: lead 98.41 %, calcium 1.59 %
Point b white: lead 99.10 %, calcium 0.90 %
Point c white: lead 79.98 %, calcium 18.36 %, barium 1.66 %
Point d white: lead 67.93 %, calcium 32.07 %
Point e white: lead 49.07 %, calcium 50.93 %
Point f white: lead 21.17 %, calcium 78.37 %, silicium 0.46 %