Hydroxylbastnäsite-(Nd)
Hydroxylbastnäsite-(Nd) is an IMA-recognized mineral species in the carbonate class, with the chemical formula Nd(CO₃)(OH).
It crystallizes in the hexagonal crystal system (space group P-6). It is a member of the Bastnäsite structural group.
Key properties: Mohs hardness 1–2; specific gravity 4.89; White streak; Dull in aggregates luster; optically uniaxial.
IMA symbol Hbsn-Nd, IMA status: approved, named in 1984.
Found as a rare authigenic mineral in a bauxite deposit developed on limestone.
It is found associated with “Bauxite”.
The name refers to a member of the bastnäsite group with (OH)1− > F1− and with neodymium the dominant rare earth element.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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