On the formation of whewellite in the cactaceae species Opuntia microdasys

P. V. Monje, E. J. Baran

Research output: Contribution to journalArticlepeer-review

19 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
Pages (from-to)267-269
Number of pages3
JournalZeitschrift fur Naturforschung - Section C Journal of Biosciences
Issue number3-4
StatePublished - 1997

Bibliographical note

Funding Information:
This work was supported by the “Consejo Naci-onal de Investigaciones Cientfficas y Tecnicas de


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

ASJC Scopus subject areas

  • General Biochemistry, Genetics and Molecular Biology


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