Improvements to the analytical protocol of lapis lazuli provenance: First study on Myanmar rock samplesGloria Vaggelli, Leila Es Sebar, Alessandro Borghi, Roberto Cossio, Alessandro Re, Fulvio Fantino and Alessandro Lo GiudiceEur. Phys. J. Plus, 134 3 (2019) 104DOI: https://doi.org/10.1140/epjp/i2019-12523-4