 | Simmons, W. B., Pezzotta, F., Falster, A. U., Webber, K. L. (2001) Londonite, a new mineral species: the Cs-dominant analogue of rhodizite from the Antandrokomby granitic pegmatite, Madagascar. The Canadian Mineralogist, 39 (3) 747-755 doi:10.2113/gscanmin.39.3.747 | Journal (article/letter/editorial) | | ANALOGUE OF RHODIZITE FROM THE ANTANDROKOMBY GRANITIC PEGMATITE, MADAGASCAR WILLIAM B. SIMMONS§ Department...with rhodizite at Antandrokomby, a dike of granitic pegmatite in the Manandona valley, Antsirabe region...in the Betafo region south of Mahaiza, all in Madagascar. Londonite occurs in the inner zones and in miarolitic...calculated from an average of five analyses from Antandrokomby is: (Cs0.48K0.38Rb0.09Na0.03Ca0.02Mn0.01)⌺1...beryllium borate, rhodizite, Antandrokomby, Ampanivana, Antsongombato, Madagascar. SOMMAIRE La londonite |  | | Report (issue) | | The Natural History Museum of Milan and its Madagascar Collection The Museo Civico di Storia Naturale... the museum began paleontologic fieldwork in Madagascar (upper Permian fauna and Jurassic and Cretaceous...fieldwork in Madagascar in 1996 in collaboration with other institu tions in Madagascar, Italy, and the...Pezzotta has spent a total of twenty nine months in Madagascar making geological-mineralogical surveys. In collaboration...both classic and new minerals and gemstones from Madagascar opened at the Natural History Museum in Milan |  | | Journal (article/letter/editorial) | | 337, 382 Actinolite, Bahia, Brazil, 36 Agardite-(Y), Bahia, Brazil, 38 Agate, 259-67 Aikinite, Colorado...Antlerite, Utah, 244 Apatite, Bahia, Brazil, 38; Madagascar, 256; Michigan, 96; Ohio, 255 Aquamarine, Minas... Miguel Arrojado Ribeiro Listoa, 47 Arsenic, Madagascar, 256 Arsenopyrite, Colorado, 337; Maine, 412...Minas Gerais, Brazil, R. B. Cook, 40-42 Britholite-(Y), Michigan, 96 Brochantite, Utah, 245 Brooklyn mine...Michigan, 99 Champion mine, Colorado, 3 1 1 Chernovite-(Y), Bahia, Brazil, 38 Chips from the Quarry, 5-7, 83-84 |  | | Book | | '.:. :,.· ~'. ', •• 1, •,· \:_)\_?. '.:,y::_.;:' • .-.,··: ..,;'.-·.:·.;:/f/t'l.._._._,, '···••::::••...last, at www.MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege....extremely rare yttrium silicate-carbonate iimoriite-(Y) occurs at Trimouns as colorless, pink and pale brown...acicular crystals of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]...region of Alpine-type clefts along the Torrniq Valley produced small numbers of ilmenite specimens reminiscent |  | | Book (volume) | | (4)Z3[Si24O72]O0 4–6X2 where N(1–5) ¼ Na, Н3О+, K, Sr, REE, Y, Ba, Mn, Ca; M(1) ¼ Ca, Mn, REE, Na, Sr, Fe; M(2)...generalized for the case D ¼ (Fe,Mg,Mn, Zn)xCayNaz□1-x-y-z as follows: ν[(Ti,Nb)–O] (cm1) ¼ 667 + 27.02x +...yegorovite Na4[Si2O4(OH)2]2·7H2O from the Palitra pegmatite, Lovozero massif, Kola peninsula hydrated proton)...following equations: y ¼ 0:0667Δν1 0:0138Δν2 þ 0:914: t ¼ 1:97 þ 1:16y 0:080Δν1 : z ¼ 1 y t: Violations...MgB6O7(OH)6·2H2O Locality: Chelkar salt dome, Aksai Valley, Aktobe region, Kazakhstan (type locality). Description: |  | | Book | | SHAPE program available from Eric Dowty, 521 Hidden Valley Road, Kingsport, Tennessee, 37663, USA. The authors...T1 Th Sn Ti TiOx WO4 WO3 W WOx u UOx UO2 V VOx Yb Y Zn Zr No. 162 109 17 12 15 1337 91 422 429 424 50...535. See also Rynersonite, Vigezzite, Aeschynite-(Y), Niobo-aeschynite-(Ce). Aeschynite-(Nd), (Nd, Ce... Am. Min. 69(1984), 565 (Abst.). Aeschynite-(Y), (Y,Ca, Fe, Th)(Ti, Nb)2(0, OH)g, S Orth. Sub-metallic...208. See also Aeschynite-(Ce), Tantalaeschynite- (Y). Afghanite, (Na,Ca, K)8(Si,Al)^2024(C!l) 804)3 |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | example, tritomite-(Ce) and tritomite-(Y) are end members [Ce+Y] in the tritomite series [AM 51:152(1966)]...nal order detectable by diffract at least a implies y generall here use fied exhibits external faces, but...where h, k and] are positive or negative, unequal y elesymmetr all by upon acted are faces al the general...spacing, and subscripted by the relative intensit y from 10 down to 1. The pattern is preceded by the...orientation is given. The correspondence between X, Y and Z with crystallographic axes a, b, and c for orthorhombic |
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