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  • Bastnäsite Wikipedia

    Bastnäsite is closely related to the mineral series parisite. The two are both rare-earth fluorocarbonates, but parisite's formula of Ca(Ce, La, Nd) 2 (CO 3) 3 F 2 contains calcium (and a small amount of neodymium) and a different ratio of constituent ions.Parisite could be viewed as a formula unit of calcite (CaCO 3) added to two formula units of bastnäsite.

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