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Biologic Precipitation of Fluorite

Lowenstam, H. A. and McConnell, Duncan (1968) Biologic Precipitation of Fluorite. Science, 162 (3861). pp. 1496-1498. ISSN 0036-8075. doi:10.1126/science.162.3861.1496.

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X-ray diffraction patterns show that the statoliths of marine mysid crustaceans are composed of fluorite, and that this mineral is also a principal phase of the gizzard plates of some tectibranch gastropods. A phosphatic phase is also indicated by chemical analyses in the gizzard plates, but its crystallochemical characterization has not been feasible by x-ray diffraction. The occurrence of fluorite in mysid statoliths confirms the earlier interpretations based on insufficient documentation. Fixation of fluorine in hard tissues of marine invertebrates is extensive in the shelf seawaters and minor in the bathyal zone of the oceans.

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Additional Information:© 1968 American Association for the Advancement of Science. Received 12 August 1968; revised 10 October 1968. Contribution No. 1553 from the Division of the Geological Sciences, California Institute of Technology. Supported by NSF grant GB-6707 and NIH grant DE-01411. We thank H. Lemcbe for the Scaphander specimens, and M. Dekkers and A Chodos for technical assistance.
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Caltech Division of Geological Sciences1553
Issue or Number:3861
Record Number:CaltechAUTHORS:20151208-133341853
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Official Citation:Biologic Precipitation of Fluorite H. A. Lowenstam and Duncan McConnell Science 27 December 1968: 162 (3861), 1496-1498. [DOI:10.1126/science.162.3861.1496]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62710
Deposited By: Tony Diaz
Deposited On:08 Dec 2015 22:23
Last Modified:10 Nov 2021 23:05

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