Robuta

https://scholarcommons.sc.edu/chem_facpub/678/ "Crystal Growth and Characterization of the Rare Earth Fluoride Carbona" by Navindra Keerthisinghe,... A series of rare-earth fluoride carbonates with the general formula NaLnco3 F2 (Ln = Eu-Lu) was synthesized using mild hydrothermal conditions and... rare earth fluoride