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New occurrences of phosphates in iron meteorites

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Abstract

New occurrences of the phosphates sarcopside/graftonite (Fe, Mn)3(PO4)2, farringtonite (Mg, Fe)3(PO4)2, and brianite Na2CaMg(PO4)2 in iron meteorites are reported. The sarcopside in Duel Hill (1854) (IVA-Anom) contains less than 0.1 mole % Mn3(PO4)2 and more nearly approaches the Fe-rich end member than does any previously reported natural occurrence. This identification of farringtonite in Barranca Bianca (IIE) is the first report of this mineral in a meteorite group other than the pallasites.

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  1. Department of Chemistry and Institute of Geophysics and Planetary Physics, University of California, 90024, Los Angeles, CA

    Richard W. Bild

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  1. Richard W. Bild
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Bild, R.W. New occurrences of phosphates in iron meteorites. Contr. Mineral. and Petrol. 45, 91–98 (1974). https://doi.org/10.1007/BF00371161

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  • DOI: https://doi.org/10.1007/BF00371161

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