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Fig. 1 | Heritage Science

Fig. 1

From: Complementary scientific techniques for the study of Mesoamerican greenstone objects

Fig. 1

Bivariate fit of handheld XRF photon counts for all 67 objects in the DMA collections of a gross Na by gross Si, b gross Mg by gross Si, and c gross Fe by gross Si, all after ROI analysis. Ellipses indicate mineral clusters with serpentine in blue, omphacite in orange, and jadeite in green. The “+” symbol indicates the objects that were additionally studied with other techniques presented here. Ellipses are drawn at 95% confidence. Images reproduced courtesy of the Dallas Museum of Art Catalogue Article

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