 | | Report (issue) | | Pleochroism: Strong; X = dark blue, Y = blue, Z = light brown. Absorption: X > Y >> Z. Cell Data: Space Group:...X-ray Powder Pattern: Stornes Peninsula, Larsemann Hills, Prydz Bay, East Antarctica. 2.735 (100), 3.000...[3.78] 100.34 (1) Stornes Peninsula, Larsemann Hills, Prydz Bay, East Antarctica; average of electron...formed by hydrothermal alteration of stornesite-(Y), wagnerite and fluorapatite in the core of a fluorapatite...rocks. Association: Stornesite-(Y), wagnerite, fluorapatite, xenotime-(Y), mélonjosephite, monazite-(Ce) |  | 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) | | Volume 91, pages 1412–1424, 2006 Stornesite-(Y), (Y, Ca)■ ■2Na6(Ca,Na)8(Mg,Fe)43(PO4)36, the Þrst terrestrial...granulite-facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica EDWARD S. GREW,1,* THOMAS ARMBRUSTER...ABSTRACT Stornesite-(Y), end-member formula Y■ ■ 2Na6(Ca5Na3)Mg43(PO4)36, is a new Y-dominant analog of...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, E. S., Armbruster, T., Medenbach, O., Yates, M. G., Carson, C. J. (2007) Tassieite, (Na,◻)Ca2(Mg,Fe2+,Fe3+)2(Fe3+,Mg)2(Fe2+,Mg)2(PO4)6 · 2H2O, a new hydrothermal wicksite-group mineral in fluorapatite nodules from granulite-facies paragneiss in the Larsemann Hills, Prydz Bay, East Antarctica. The Canadian Mineralogist, 45 (2) 293-305 doi:10.2113/gscanmin.45.2.293 | Journal (article/letter/editorial) | | GRANULITE-FACIES PARAGNEISS IN THE LARSEMANN HILLS, PRYDZ BAY, EAST ANTARCTICA Edward S. GREW§ Department of...37°. Pleochroism: X dark blue, Y blue, Z light brown; absorption: X > Y >> Z. Tassieite occurs in bands...secondary fluorapatite or in pseudomorphs of stornesite-(Y) within a fluorapatite nodule in a paragneiss specimen...name), Stornes Peninsula, Larsemann Hills, in Antarctica. Associated minerals are stornesite-(Y), wagnerite...wagnerite, xenotime-(Y), monazite-(Ce), pyrite, mélonjosephite and several unidentified Ca ± Na – Mg – Fe |  | | Journal (issue) | | m Wayne & Dona Leicht, 875 North Pacific Coast Highway, Laguna Beach, CA 926 ' ( 949) 494-7695 . . ... M egaw & J. McGlasson, chairmen T he P ea b o d y M u seu m co llectio n , Yale U n iv ersity ........n u a l FM-TGMS-MSA M i n e r a l o g i c a l S y m p o s iu m M in e r a l s of INTRODUCTION The... Arizona 85721 Mexico is a geologically complex land with excellent examples of most of the tectonic...tectonics accounted for an addition of about 40% of land area to Mexico. Consolidation of these terranes |
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