 | 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 |  | | Book | | 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...The thin-tabular ilmenite crystals of the Torrniq Valley also form spherical aggregates ("closed roses")...several centimeters diameter. However, many Torrniq Valley specimens labeled "ilmenite" prove upon testing...yield world-class specimens of bastnasite-(Ce), parisite-(Ce), genthelvite and xenotime, which ~uickly |  | | Book (volume) | | yegorovite Na4[Si2O4(OH)2]2·7H2O from the Palitra pegmatite, Lovozero massif, Kola peninsula hydrated proton)...unambiguous. For example, carbokentbrooksite (Na,□)12(Na,Ce)3Ca6Mn2+3 Zr3Nb(Si25O73)(OH)3(CO3)·2H2O can be classified...MgB6O7(OH)6·2H2O Locality: Chelkar salt dome, Aksai Valley, Aktobe region, Kazakhstan (type locality). Description:...MgB6O7(OH)6·2H2O Locality: Chelkar salt dome, Aksai Valley, Aktobe region, Kazakhstan (type locality). Description:...Locality: Ampanodiana North pegmatite, Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune |  | 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) | | Commission on New Minerals and Mineral Names (CNMMN) ce; Proposals for a new mineral should include (1) the...discovered: for example, tritomite-(Ce) and tritomite-(Y) are end members [Ce+Y] in the tritomite series [AM...204-206. Included here is a statement of any observe ce. occurren of ing the twin law and its frequency ...Rio Grande Norte Rio Grande Sul AG AL AP AM BA CE PA Ee PE PI RJ RN RS Rondonia RO Roraima Santa...Mineralogical Magazine A. LaCroix, Mineralogie de Madagascar, 1922 P. Embry and Fuller Manual of New Mineral |  | | Book | | SHAPE program available from Eric Dowty, 521 Hidden Valley Road, Kingsport, Tennessee, 37663, USA. The authors...Cryst. B45 (1989), 201. Aeschynite-(Ce) 2 Aeschynite-(Ce), (Ce,Ca,Fe,Th)(Ti,Nb)2(0,0H)6, Orth. Sub-metallic...Aeschynite-(Y), Niobo-aeschynite-(Ce). Aeschynite-(Nd), (Nd, Ce, Ca)(Ti,Nb)2(0,0H)6, dark/light brown...Levinson, 1966. Strunz (1970), 208. See also Aeschynite-(Ce), Tantalaeschynite- (Y). Afghanite, (Na,Ca, K)8(Si...Al)802o(OH)4*4H20, 0 Syst=? Monte Chiaro, Taro Valley, Italy. H=?, Dvv,=?, Dp=?, VHIE 08c. Veniale & |
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