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Orpheite

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Orpheus
Formula:
PbAl3(PO4)(SO4)(OH)6
Hardness:
Crystal System:
Trigonal
Name:
Named after Orpheus, the mythical singer in the Rhodopes Mountains
Synonym:
A synonym of Hinsdalite
Discredited (Bayliss et al., 2010), since identical to hinsdalite (Mladenova et al., 2010).


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References for OrpheiteHide

Reference List:
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Kolkovski, B. (1971-1972): Ann.Univ.Sofia Fac.Biol.Géol.Géogr., 64, 107-130.
American Mineralogist (1976): 61: 176.
Cotterell, T. & P.K. Todhunter (2007): Corkite and hinsdalite from the Frongoch Mine, Devil's Bridge, Ceredigion, Wales, including evidence to suggest that orpheite is a variety of hinsdalite. J. Russell Society 10, 57-64.
V. Mladenova, U. Kolitsch, T. Kenkman, L. Hecht and R.-T. Schmitt (2010): Reinvestigation of the type material of orpheite: is it a valid mineral species? Poster, 20th General Meeting of the IMA (IMA2010), Budapest, Hungary, August 21-27; abstract in CD of Abstracts, p. 498.
Bayliss, P., Kolitsch, U., Nickel, E.H. and Pring, A. (2010): Alunite supergroup: recommended nomenclature. Mineral. Mag. 74, 919-927.

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