Non-Destructive Micro-Chemical and Micro-Luminescence Characterization of Jadeite.
作者： Alejandro Mitrani Viggiano , José Luis Ruvalcaba Sil , Mayra D. Manrique Ortega , Victoria Corregidor Berdasco
DOI: 10.1017/S1431927616012010
关键词:
摘要: Jadeite was greatly appreciated by pre-Hispanic cultures in Mesoamerica. Despite its importance, knowledge of mining sources lost after the Spanish conquest. In 1950s only confirmed jadeite deposits Mesoamerica were found Motagua River Fault (MRF), Guatemala. The aim this study is to present a methodology that appropriate for archeological objects using non-destructive spectroscopic and micro-ion beam analysis techniques. This has been applied perform mineral, elemental, luminescence characterization five samples from MRF, with white, lilac, green colors. Fourier-transformed infrared spectroscopy X-ray diffraction presence jadeite, albite, omphacite as main mineral phases samples. Elemental maps particle-induced emission (PIXE) nuclear microprobe elemental concentration individual grains micro-PIXE coupled micro-ionoluminescence (IL) allowed detection minor feldspar, titanite, grossular contents. Distinctive features have allow identification these
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