Piilonenite-(Nd), NaNd(CO3)2 ⋅ 3H2O, a new neodymium-dominant carbonate mineral from Mont Saint-Hilaire, Quebec, Canada

Lykova, Inna; Rowe, Ralph; Teat, Simon J.; Poirier, Glenn; Barnes, Stephanie

doi:10.5194/ejm-38-337-2026

Articles | Volume 38, issue 3

https://doi.org/10.5194/ejm-38-337-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/ejm-38-337-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 38, issue 3

New minerals, nomenclature, and classification

|

19 Jun 2026

New minerals, nomenclature, and classification |

| 19 Jun 2026

Piilonenite-(Nd), NaNd(CO₃)₂ ⋅ 3H₂O, a new neodymium-dominant carbonate mineral from Mont Saint-Hilaire, Quebec, Canada

Inna Lykova, Ralph Rowe, Simon J. Teat, Glenn Poirier, and Stephanie Barnes

Related authors

Mckelveyite group minerals – Part 4: Alicewilsonite-(YLa), Na₂Sr₂YLa(CO₃)₆ ⋅ 3H₂O, a new lanthanum-dominant species from the Paratoo mine, Australia

Inna Lykova, Ralph Rowe, Glenn Poirier, Henrik Friis, and Kate Helwig

Eur. J. Mineral., 36, 301–310, https://doi.org/10.5194/ejm-36-301-2024,https://doi.org/10.5194/ejm-36-301-2024, 2024

Short summary

Mckelveyite group minerals – Part 3: Bainbridgeite-(YCe), Na₂Ba₂YCe(CO₃)₆ ⋅ 3H₂O, a new species from Mont Saint-Hilaire, Canada

Inna Lykova, Ralph Rowe, Glenn Poirier, Henrik Friis, and Kate Helwig

Eur. J. Mineral., 36, 183–194, https://doi.org/10.5194/ejm-36-183-2024,https://doi.org/10.5194/ejm-36-183-2024, 2024

Short summary

Mckelveyite group minerals – Part 1: Nomenclature and new data on donnayite-(Y)

Inna Lykova, Ralph Rowe, Glenn Poirier, Gerald Giester, Kelsie Ojaste, and Henrik Friis

Eur. J. Mineral., 35, 133–142, https://doi.org/10.5194/ejm-35-133-2023,https://doi.org/10.5194/ejm-35-133-2023, 2023

Short summary

Mckelveyite group minerals – Part 2: Alicewilsonite-(YCe), Na₂Sr₂YCe(CO₃)₆ ⋅ 3H₂O, a new species

Inna Lykova, Ralph Rowe, Glenn Poirier, Henrik Friis, and Kate Helwig

Eur. J. Mineral., 35, 143–155, https://doi.org/10.5194/ejm-35-143-2023,https://doi.org/10.5194/ejm-35-143-2023, 2023

Short summary

Mckelveyite group minerals – Part 4: Alicewilsonite-(YLa), Na₂Sr₂YLa(CO₃)₆ ⋅ 3H₂O, a new lanthanum-dominant species from the Paratoo mine, Australia

Inna Lykova, Ralph Rowe, Glenn Poirier, Henrik Friis, and Kate Helwig

Eur. J. Mineral., 36, 301–310, https://doi.org/10.5194/ejm-36-301-2024,https://doi.org/10.5194/ejm-36-301-2024, 2024

Short summary

Mckelveyite group minerals – Part 3: Bainbridgeite-(YCe), Na₂Ba₂YCe(CO₃)₆ ⋅ 3H₂O, a new species from Mont Saint-Hilaire, Canada

Inna Lykova, Ralph Rowe, Glenn Poirier, Henrik Friis, and Kate Helwig

Eur. J. Mineral., 36, 183–194, https://doi.org/10.5194/ejm-36-183-2024,https://doi.org/10.5194/ejm-36-183-2024, 2024

Short summary

Mckelveyite group minerals – Part 1: Nomenclature and new data on donnayite-(Y)

Inna Lykova, Ralph Rowe, Glenn Poirier, Gerald Giester, Kelsie Ojaste, and Henrik Friis

Eur. J. Mineral., 35, 133–142, https://doi.org/10.5194/ejm-35-133-2023,https://doi.org/10.5194/ejm-35-133-2023, 2023

Short summary

Mckelveyite group minerals – Part 2: Alicewilsonite-(YCe), Na₂Sr₂YCe(CO₃)₆ ⋅ 3H₂O, a new species

Inna Lykova, Ralph Rowe, Glenn Poirier, Henrik Friis, and Kate Helwig

Eur. J. Mineral., 35, 143–155, https://doi.org/10.5194/ejm-35-143-2023,https://doi.org/10.5194/ejm-35-143-2023, 2023

Short summary

Cited articles

Bayliss, P. and Levinson, A. A.: A system of nomenclature for rare-earth mineral species; revision and extension, Am. Mineral., 73, 422–423, 1988.

Chukanov, N. V. and Chervonnyi, A. D.: Infrared Spectroscopy of Minerals and Related Compounds, Springer Cham, Switzerland, 1109 pp., https://doi.org/10.1007/978-3-319-25349-7, 2016.

Chukanov, N. V., Ermolaeva, V. N., Pekov, I. V., Sokolov, S. V., Nekrasov, A. N., and Sokolova, M. N.: Rare-metal mineralization related to bituminous substances in the late pegmatite assemblages of the Khibiny and Lovozero plutons, New Data on Minerals, 40, 80–95, 2005.

Ferraris, G. and Ivaldi, G.: Bond valence vs bond length in O...O hydrogen bonds, Acta Crystallogr. B, 44, 341–344, https://doi.org/10.1107/S0108768188001648, 1988.

Gagné, O. C. and Hawthorne, F. C.: Comprehensive derivation of bond-valence parameters for ion pairs involving oxygen, Acta Crystallogr. B, 71, 562–578, 10.1107/s2052520615016297, 2015.