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Myriad Mapping of nanoscale minerals reveals calcium carbonate hemihydrate in forming nacre and coral biominerals

Author

Listed:
  • Connor A. Schmidt

    (University of Wisconsin)

  • Eric Tambutté

    (Centre Scientifique de Monaco)

  • Alexander A. Venn

    (Centre Scientifique de Monaco)

  • Zhaoyong Zou

    (Wuhan University of Technology)

  • Cristina Castillo Alvarez

    (Lawrence Berkeley National Laboratory)

  • Laurent S. Devriendt

    (Lawrence Berkeley National Laboratory)

  • Hans A. Bechtel

    (Lawrence Berkeley National Laboratory)

  • Cayla A. Stifler

    (University of Wisconsin)

  • Samantha Anglemyer

    (University of Wisconsin)

  • Carolyn P. Breit

    (University of Wisconsin)

  • Connor L. Foust

    (University of Wisconsin)

  • Andrii Hopanchuk

    (University of Wisconsin)

  • Connor N. Klaus

    (University of Wisconsin)

  • Isaac J. Kohler

    (University of Wisconsin)

  • Isabelle M. LeCloux

    (University of Wisconsin)

  • Jaiden Mezera

    (University of Wisconsin)

  • Madeline R. Patton

    (University of Wisconsin)

  • Annie Purisch

    (University of Wisconsin)

  • Virginia Quach

    (University of Wisconsin)

  • Jaden S. Sengkhammee

    (University of Wisconsin)

  • Tarak Sristy

    (University of Wisconsin)

  • Shreya Vattem

    (University of Wisconsin)

  • Evan J. Walch

    (University of Wisconsin)

  • Marie Albéric

    (Laboratoire de chimie de la matière condensée)

  • Yael Politi

    (Technische Universität Dresden)

  • Peter Fratzl

    (Max Planck Institute of Colloids and Interfaces)

  • Sylvie Tambutté

    (Centre Scientifique de Monaco)

  • Pupa U.P.A. Gilbert

    (University of Wisconsin
    Lawrence Berkeley National Laboratory
    University of Wisconsin)

Abstract

Calcium carbonate (CaCO3) is abundant on Earth, is a major component of marine biominerals and thus of sedimentary and metamorphic rocks and it plays a major role in the global carbon cycle by storing atmospheric CO2 into solid biominerals. Six crystalline polymorphs of CaCO3 are known—3 anhydrous: calcite, aragonite, vaterite, and 3 hydrated: ikaite (CaCO3·6H2O), monohydrocalcite (CaCO3·1H2O, MHC), and calcium carbonate hemihydrate (CaCO3·½H2O, CCHH). CCHH was recently discovered and characterized, but exclusively as a synthetic material, not as a naturally occurring mineral. Here, analyzing 200 million spectra with Myriad Mapping (MM) of nanoscale mineral phases, we find CCHH and MHC, along with amorphous precursors, on freshly deposited coral skeleton and nacre surfaces, but not on sea urchin spines. Thus, biomineralization pathways are more complex and diverse than previously understood, opening new questions on isotopes and climate. Crystalline precursors are more accessible than amorphous ones to other spectroscopies and diffraction, in natural and bio-inspired materials.

Suggested Citation

  • Connor A. Schmidt & Eric Tambutté & Alexander A. Venn & Zhaoyong Zou & Cristina Castillo Alvarez & Laurent S. Devriendt & Hans A. Bechtel & Cayla A. Stifler & Samantha Anglemyer & Carolyn P. Breit & C, 2024. "Myriad Mapping of nanoscale minerals reveals calcium carbonate hemihydrate in forming nacre and coral biominerals," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-46117-x
    DOI: 10.1038/s41467-024-46117-x
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    References listed on IDEAS

    as
    1. D. E. Jacob & R. Wirth & O. B. A. Agbaje & O. Branson & S. M. Eggins, 2017. "Planktic foraminifera form their shells via metastable carbonate phases," Nature Communications, Nature, vol. 8(1), pages 1-9, December.
    2. Jiuyuan Wang & Lidya G. Tarhan & Andrew D. Jacobson & Amanda M. Oehlert & Noah J. Planavsky, 2023. "The evolution of the marine carbonate factory," Nature, Nature, vol. 615(7951), pages 265-269, March.
    3. Howard J. Spero & Jelle Bijma & David W. Lea & Bryan E. Bemis, 1997. "Effect of seawater carbonate concentration on foraminiferal carbon and oxygen isotopes," Nature, Nature, vol. 390(6659), pages 497-500, December.
    4. L. M. Otter & K. Eder & M. R. Kilburn & L. Yang & P. O’Reilly & D. B. Nowak & J. M. Cairney & D. E. Jacob, 2023. "Growth dynamics and amorphous-to-crystalline phase transformation in natural nacre," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
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