Architecture of columnar nacre, and implications for its formation mechanism.

  title={Architecture of columnar nacre, and implications for its formation mechanism.},
  author={Rebecca A. Metzler and Mike Abrecht and Ronke M Olabisi and Daniel Ariosa and Christopher J. Johnson and Bradley H. Frazer and Susan N. Coppersmith and Pupa U.P.A. Gilbert},
  journal={Physical review letters},
  volume={98 26},
We analyze the structure of Haliotis rufescens nacre, or mother-of-pearl, using synchrotron spectromicroscopy and x-ray absorption near-edge structure spectroscopy. We observe imaging contrast between adjacent individual nacre tablets, arising because different tablets have different crystal orientations with respect to the radiation's polarization vector. Comparing previous data and our new data with models for columnar nacre growth, we find the data are most consistent with a model in which… 

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