 | Grew, Edward S., Armbruster, Thomas, Medenbach, Olaf, Yates, Martin G., Carson, Christopher J. (2006) Stornesite-(Y), (Y, Ca) 2Na6(Ca,Na)8(Mg,Fe)43(PO4)36, the first terrestrial Mg-dominant member of the fillowite group, from granulite-facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica. American Mineralogist, 91 (8) 1412-1424 doi:10.2138/am.2006.2219 | Journal (article/letter/editorial) | | Mineralogist, Volume 91, pages 1412–1424, 2006 Stornesite-(Y), (Y, Ca)■ ■2Na6(Ca,Na)8(Mg,Fe)43(PO4)36, the...granulite-facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica EDWARD S. GREW,1,* THOMAS ARMBRUSTER...Australia ABSTRACT Stornesite-(Y), end-member formula Y■ ■ 2Na6(Ca5Na3)Mg43(PO4)36, is a new Y-dominant analog...01Mg30.71Fe11.56 Mn0.18Si0.02S0.04P36.22O144. Overall, Y + REE range from 0.542 to 0.985 atoms per formula...occupied by Y instead of Ca. Bond lengths are considerably shorter than for Ca sites; Y and Yb are fully |  | Grew, Edward S., Armbruster, Thomas, Medenbach, Olaf, Yates, Martin G., Carson, Christopher J. (2007) Chopinite, [(Mg,Fe)3◻(PO4)2, a new mineral isostructural with sarcopside, from a fluorapatite segregation in granulite-facies paragneiss, Larsemann Hills, Prydz Bay, East Antarctica. European Journal of Mineralogy, 19 (2) 229-245 doi:10.1127/0935-1221/2007/0019-1712 | Journal (article/letter/editorial) | | granulite-facies paragneiss, Larsemann Hills, Prydz Bay, East Antarctica EDWARD S. GREW1,*, THOMAS ARMBRUSTER2...quartz mass in a paragneiss from Brattnevet, Larsemann Hills, East Antarctica. Grains are mostly anhedral...specimen include wagnerite-Ma5bc, xenotime-(Y), stornesite-(Y), P-bearing K-feldspar and plagioclase, Ti-rich... Key-words: phosphate, new mineral, Antarctica, Larsemann Hills, electron microprobe, crystal structure...76° 15.057’ E on Brattnevet Peninsula, Larsemann Hills, Prydz Bay, East Antarctica. The mineral and name |
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