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Bederite, a new pegmatite phosphate mineral from Nevados de Palermo, Argentina; description and crystal structure by Miguel A. Galliski; Mark A. Cooper; Frank C. Hawthorne; Petr Cerny is a Earth and Planetary Sciences article available to read on EtoBox.

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## Galliski and Sureda (1982) reported nodules of a phosphate mineral that they classified generically as a member of the alluaudite group. The X-ray diffraction pattern was similar to that of wicksite (Sturman et al. 1981), but wet-chemical analysis (Galliski and Sureda 1982) gave a significantly different chemical composition, with MnO dominant over FeO, and suggested strong similarities with the unnamed wicksite-like phase of Peacor et al. (1985). Solution of the crystal structure of the phase showed that it is isostructural but chemically distinct from wicksite. The Commission of New Minerals and Mineral Names of the International Mineralogical Association has approved the mineral and the name: bederite. The name honors Roberto Beder (born in Basel, Switzerland and died in Córdoba, Argentina: 1888-1930) for his major contribution to the development of Mineralogy in Argentina, particularly his work in morphological crystallography. Holotype and cotype samples

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Author

Miguel A. Galliski; Mark A. Cooper; Frank C. Hawthorne; Petr Cerny

Publisher

Mineralogical Society of America

Published

1999

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)