Nanoscale Transforming Mineral Phases in Fresh Nacre.

  title={Nanoscale Transforming Mineral Phases in Fresh Nacre.},
  author={Ross T DeVol and Chang-Yu Sun and Matthew A Marcus and Susan N. Coppersmith and Satish C. B. Myneni and Pupa U P A Gilbert},
  journal={Journal of the American Chemical Society},
  volume={137 41},
Nacre, or mother-of-pearl, the iridescent inner layer of many mollusk shells, is a biomineral lamellar composite of aragonite (CaCO3) and organic sheets. Biomineralization frequently occurs via transient amorphous precursor phases, crystallizing into the final stable biomineral. In nacre, despite extensive attempts, amorphous calcium carbonate (ACC) precursors have remained elusive. They were inferred from non-nacre-forming larval shells, or from a residue of amorphous material surrounding… CONTINUE READING


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