Vaterite, a constituent of the eggshells of the nonparasitic cuckoos,Guira guira andCrotophagi ani


The crystalline spherules occurring in patches on the outer surface of the eggshells ofGuira guira and the bloom on the entire outer surface of those ofCrotophagi ani were shown by X-ray diffraction analysis to be vaterite.

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Correspondence to R. G. Board.

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Board, R.G., Perrott, H.R. Vaterite, a constituent of the eggshells of the nonparasitic cuckoos,Guira guira andCrotophagi ani . Calcif Tissue Int 29, 63–69 (1979).

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Key words

  • Vaterite
  • Calcium
  • Eggshells
  • Cuckoos