| 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) | RHODIZITE FROM THE ANTANDROKOMBY GRANITIC PEGMATITE, MADAGASCAR WILLIAM B. SIMMONS§ Department of Geology and...dike of granitic pegmatite in the Manandona valley, Antsirabe region, and at Ampanivana and Antsongombato...in the Betafo region south of Mahaiza, all in Madagascar. Londonite occurs in the inner zones and in miarolitic...manganocolumbite, manganotantalite, béhierite, and hafnian zircon, among others. Londonite occurs as equidimensional...rhodizite, Antandrokomby, Ampanivana, Antsongombato, Madagascar. SOMMAIRE La londonite, (Cs,K,Rb) Al4 Be4 (B | | | Report (issue) | 3205(3) Z=1 X-ray Powder Pattern: Antandrokomby, Madagascar (very similar to rhodizite). 2.9898 (100), 2...10 0.53 [100.07] [99.91] (1) Antandrokomby, Madagascar; by electron microprobe, average of five analyses...(B10.99 Si0.01 Be1.00 )Σ=12.00 O28.00 . (2) Manjaka, Madagascar; original total given as 99.92%, neglecting...manganotantalite, béhierite, hafnian zircon, albite, microcline, quartz. Distribution: In Madagascar, from Antandrokomby...Antandrokomby, near Mt. Bity, Manandona Valley, Antsirabe district; at Antsongombato and Ampanivana, south of | | | Book | Mineralogy - Terminology I. Embrey, Peter Godwin II. Fuller, John P. III. British Museum (Natural History)...Resources, US Geol. Survey, for 1910, 1911, part ii, p. 836.) Trade-name for a bitumen allied to elaterite...Resources, US Geol. Survey, for 1909, 1911, part ii, p. 733.) Trade-name for a bitumen very similar to...from Monte Chiaro and other localities in the Taro valley region, Italy (.M.A., 8, 517; 15, 332) is now named...(almashite II) varieties of amber, differing from romanite, from the Almas (Almash) valley near Piatra | | | Book | Tantalum-Congresses. 3. Niobium-Congresses. I. Möller, P. (Peter) II. Cerny, P. III. Saupe, Francis. IV. Series: Special...with 8 Figures) . . . . . . . . . . . . . 80 Part II Geochemistry REE (Y), Nb, and Ta Enrichment in Pegmatitesand...Bastnaesite-Fluorite-Barite Deposit of the Kizilcaören District, Eskisehir, Turkey. G. Morteani and M. Satir (with...Granite-Hosted Tantalum Deposits: An Approach via District Analysis. P. 1. Pollard (with 1 Figure) . . ....apatite, fluorite, titanite, uraninite, vesuvianite, zircon etc, which theoretically are not REE minerals, | | | Book (edition) | mineral species & varic1ies arranged chemically. II. Title. I l l. Series. OE357.C53 1993 549'.0l2-dc20...0019 H)<,�n 4 l,11i,-..m 6 9-11 2.., 989a 4s II A 1S Ra R.lo•.m 226 025-1 I I IA IVA Sc Ti...88�9 5d 22 VA 57 La l...lnt/"IJt\u(TI 138� -Ii 00 IB IIB 27 Cu 29 Zn 47 Cd 26 Co !,�...pp. 1 53. 1 5S (acmiteaugite). Acorite. syn. of zircon. A.H. Chester ( 1896) Diet. Na111es Min., p. 2...9. 1 2, c 24.0 A. Z=2. (1L) Monte Chiaro. Taro valley. l laly. Fully defined by A. Alieui and J . Mejsner |
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Manjaka, Sahatany Valley, Ibity, Antsirabe II District, Vakinankaratra, Madagascar