On the formation of whewellite in the cactaceae species Opuntia microdasys

P. V. Monje, E. J. Baran

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


The isolation of well formed crystals of the biomineral whewellite (monohydrated calcium oxalate) from Opuntia microdasys, a cactaceae species found in central Mexico, is described. The morphology of the crystals was investigated by means of electron microscopy. Infrared spectroscopic measurements allow an unambiguous characterization of the nature of the crystals. This is the first report of the presence of a biomineral in this species.

Original languageEnglish (US)
Pages (from-to)267-269
Number of pages3
JournalZeitschrift fur Naturforschung Section C - Journal of Biosciences
Issue number3-4
StatePublished - 1997
Externally publishedYes


  • Cactaceae
  • Electron Microscopy
  • Infrared Spectrum
  • Isolation
  • Opuntia microdasys
  • Whewellite

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)


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