Fluorbritholite-(Nd), ideally Ca₂Nd₃(SiO₄)₃F, is an approved mineral (IMA 2023-001) and constitutes a new member of the britholite group of the apatite supergroup. It occurs in skarn from the Malmkärra iron mine, Norberg, Västmanland (one of the Bastnäs-type deposits in Sweden), associated with calcite, dolomite, magnetite, lizardite, talc, fluorite, baryte, scheelite, gadolinite-(Nd) and other REE minerals. Fluorbritholite-(Nd) forms anhedral and small grains, rarely up to 250 µm across. They are brownish pink, transparent with a vitreous to greasy luster. The mineral is brittle, with an uneven or subconchoidal fracture, and lacks a cleavage. In thin section, the mineral is nonpleochroic, uniaxial (-). Dcalc = 4.92(1) g·cm^-3 and ncalc = 1.795. The empirical chemical formula from electron microprobe (WDS) point analyses is (Ca_1.62Nd_0.97Ce_0.83Y_0.52Sm_0.30Gd_0.23Pr_0.17La_0.16Dy_0.11Er_0.03Tb_0.03Ho_0.01Yb_0.01)Σ_4.99(Si_2.92P0.08As_0.01)Σ_3.01O_12.00[O_0.48F_0.26(OH)_0.14Cl_0.10Br_0.02]_Σ1.00. The crystal structure of fluorbritholite-(Nd) was refined from single-crystal X-ray diffraction data to R1= 0.043 for 704 unique reflections. It belongs to the hexagonal system, space group P63/m, with unit cell parameters a = 9.5994(3), c = 6.9892(4) Å, V = 557.76(5) ų for Z = 2. Fluorbritholite-(Nd) and other britholite-group minerals are a major sink for neodymium in REE-bearing skarns of Bastnäs type.