Robuta

https://www.lotusgemology.com/resources/4-treasures-reference-database/28166 Timing of syenite-charnockite magmatism and ruby and sapphire metamorphism in the Mogok Valley... Searle, M.P., Garber, J.M., Hacker, B.R., Htun, K., Gardiner, N.J., Waters, D.J. and Robb, L.J. 2020. Timing of syenite-charnockite magmatism and ruby and... in thetimingsyenitecharnockitemagmatism https://www.lotusgemology.com/resources/4-treasures-reference-database/27279 The role of evaporites in the formation of gems during metamorphism of carbonate platforms: a... Guiliani, G., Dubessy, J., Ohnenstetter, D., Banks, D., Branquet, Y., Feneyrol, J., Fallick, A.E. and Martelat, J.-E. 2018. The role of evaporites in the... the rolein formationcarbonate platformsevaporitesgems https://andeangeology.cl/index.php/revista1/article/view/V29n2-a07 New time constraints for the age of metamorphism at the | Thomson | Andean Geology New time constraints for the age of metamorphism at the new timefor theage ofandean geologyconstraints