| Soonthorntantikul, W., Vertriest, W., Raynaud-Flattot, V.L., Sangsawong, S., Atikarnsakul, U., Khowpong, Ch., Weeramonkhonlert, V. and Pardieu, V. (2017) An in-depth gemological study of blue sapphires from the Baw Mar mine (Mogok, Myanmar). Gemmological Institute of America Report, 87 pp. [https://www.gia.edu/doc/Gemological-Study-Blue-Sapphires-Baw-Mar-Mine-Mogok-Myanmar-GIA.pdf] |
Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar