La Tour du Valat

Article

A rare mineral, vaterite, acts as a shock absorber in the eggshell of a communally nesting bird

Steven J. Portugal, Auteur ; James Bowen, Auteur ; Christina Riehl, Auteur

Dans Ibis (160(1) 2018)

Birds’ eggshells are primarily composed of calcite, an abundant polymorph of calcium carbonate (CaCO3). However, the eggshells of some species are coated with spherules of vaterite, a rare and thermodynamically unstable polymorph of CaCO3, the f[...]

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