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Fig. Par61 Photograph of multi-colored tourmaline from Brazil (Paraiba, Batalha mine, Heitor mine, 1988, source: Pavlik), Sample No.GRS-Ref3111. Note: blue, violet and green color-zoning (from core to rim). Laser ablation crater visible. Chemical analysis profiles see Fig. Par 62a-j
Fig. Par62a-j Variation in Th-, U-, Ta-, Cu-, Mn-, Bi, Be- and Pb-concentrations. Chemical variations are correlated with the color zoning. The following elements are enriched in the blue core of the crystal: Th, U (Fig. Par62h); Ta (Fig. Par62d); Cu, Mn and Bi (Fig. Par62a), Be and Pb (Fig. Par62e).
Elements enriched in the green rim: Mg (Fig. Par62f); Sr and V (Fig. Par62d, g);
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LA-ICP-MS Chemical Analysis Profiles of Paraiba Tourmaline, Batalha Mine 1988,
Pavlik Collection, Sample No. GRS-Ref3111
