Abstract
Magnetite was first identified as a biogenic mineral in the radula teeth of chitons (Mollusca, Polyplacophora) (Lowenstam, 1962). The caps of mature major lateral teeth are composed in part of crystalline magnetite in an ordered matrix of organic fibrils (Towe and Lowenstam, 1967; Kirschvink and Lowenstam, 1979). The biomineralization proceeds in two steps: (1) an initial deposition of ferrihydrite (5Fe2O3•9H2O) (Towe and Bradley, 1967) within the organic matrix of the tooth cap (Towe and Lowenstam, 1967), and (2) the transformation of the ferrihydrite into magnetite (FeO•Fe2O3) (Towe and Lowenstam, 1967).
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© 1985 Plenum Press, New York
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Nesson, M.H., Lowenstam, H.A. (1985). Biomineralization Processes of the Radula Teeth of Chitons. In: Kirschvink, J.L., Jones, D.S., MacFadden, B.J. (eds) Magnetite Biomineralization and Magnetoreception in Organisms. Topics in Geobiology, vol 5. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0313-8_16
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DOI: https://doi.org/10.1007/978-1-4613-0313-8_16
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