Reports

Lepidocrocite Iron Mineralization in Keratose Sponge Granules

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Science  11 Oct 1968:
Vol. 162, Issue 3850, pp. 268-269
DOI: 10.1126/science.162.3850.268

Abstract

Reddish-brown granules embedded in the spongin fibers of some keratose sponges consist of very fine crystallites of poorly organized lepidocrocite, γ FeOOH. This is the first occurrence of crystalline iron mineralization in the phylum Porifera and the first indication of hard tissue formation among the Keratosa.

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