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Science 27 July 1962:
Vol. 137. no. 3526, pp. 279 - 280
DOI: 10.1126/science.137.3526.279
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Articles

Goethite in Radular Teeth of Recent Marine Gastropods

H. A. Lowenstam 1

1 Division of Geological Sciences, California Institute of Technology, Pasadena

The x-ray diffraction patterns of the denticle material from several species show that the material consists of the mineral goethite. This is the first indication that goethite is precipitated by marine invertebrates. The mineralogy of the denticle caps has biologic and geologic implications.


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