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. 1985 Jan 4;227(4682):51-3.
doi: 10.1126/science.227.4682.51.

Transformation of amorphous calcium phosphate to crystalline dahillite in the radular teeth of chitons

H A Lowenstam, S Weiner

Transformation of amorphous calcium phosphate to crystalline dahillite in the radular teeth of chitons

H A Lowenstam et al. Science. .

Abstract

A comparison of infrared spectra from individual teeth along the radula of a chiton (Polyplacophora, Mollusca) shows that the first-formed calcium phosphate mineral is amorphous. Over a period of weeks the mineral transforms to dahllite. The c axes of the dahllite crystals are aligned approximately perpendicular to the tooth surface.

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