Parisite-(La) is mineral discovered by Daniel Atencio of the University of São Paulo and colleagues in the Mula claim, Bahia, Brazil. Parisite-(La) is the lanthanum analog of

parisite-(Ce) Parisite is a rare mineral consisting of cerium, lanthanum and calcium fluoro-carbonate, . Parisite is mostly parisite-(Ce), but when neodymium is present in the structure the mineral becomes parisite-(Nd). It is found only as crystals, which bel ...

, which has the same structure, but with cerium substituted for lanthanum. Parisite-(La) is chemically similar to

synchysite Synchysite is a group of carbonate minerals. The three isostructural chemical end members are synchysite-(Ce), synchysite-(Nd) and synchysite-(Y). Huanghoite-(Ce) belongs to the group, but has a different symmetry and calcium is replaced by ba ...

-(La). The type material for parisite-(La) resides in the mineralogical collections of the Museu de Ciência e Técnica, Escola de Minas, Universidade Federal de Ouro Preto, Minas Gerais, Brazil, and at the

University of Arizona Mineral Museum The University of Arizona Mineral Museum (UAMM) is a mineralogy museum located in the Pima County Courthouse in downtown Tucson, Arizona. Collections The museum was started in 1892, and houses over 24,000 specimens from around the world, includi ...

, Tucson, Arizona.

Localities

Brazil: Mula claim, Tapera, Novo Horizonte, Bahia

References

{{carbonate-mineral-stub Carbonate minerals Monoclinic minerals