 | | Journal (article/letter/editorial) | | Grandidieriteof contact-metamorphic originfrom Maratakka, northwestSurinam Euoxo W. F. or Rorvnn GeologischM...gabbroicintrusion at Maratakka,northwestSurinam. Introduction Occurrence Grandidierite, a veryrareMg-Al...body, a few kilometersin size, gabbroicbodyat Maratakka(5" 11,37,,N, 56"54,16" surroundedby granite,presumablywith...tensof crystalsof grandidierite,0.5 antimm broic bodycontain,in additionto grandidierite, or lessin length...birefringenceis uniquelychar_ hypersthene. acteristicof grandidierite. The microprobeanalysis(B not analyzed:for Conditionsof |  | | Journal (article/letter/editorial) | | , MARCH 1 9 8 0 , VOL. 43, PP. 6 5 1 - 8 Grandidierite from aluminous metasedimentary xenoliths within...Budapestlaan 4, Utrecht, the Netherlands SUMMARY. Grandidierite has been identified in two aluminous metasedimentary...of at least 8oo ~ and at low pressures. The grandidierite from Mt. Amiata replaces sillimanite. Several...metamorphic grandidierite-bearing rocks. It is suggested that metamorphic rocks in which grandidierite occurs...melting. THE rare Mg-, Fe-, Al-borosilicate grandidierite has been identified in the course of a detailed |  | | Report (issue) | | (Mg; Fe2+ )Al3 (BO3 )(SiO4 )O2 Grandidierite c 2001 ° Mineral Data Publishing, version 1.2 Crystal...on Madagascar. In the Kachebere Hills, Mchinji district, Malawi. From Tizi-Ouchen, B¶ejaia, Algeria. From...on Almjotheia, 12 km north of Moi, Norway. At Maratakka, Surinam. On Cuvier Island, New Zealand. Known...magnesium aluminum borosilicates: kornerupine and grandidierite. Mineral. Mag., 34, 346{357. (3) Stephenson...P.B. Moore (1968) The crystal structure of grandidierite, (Mg; Fe)Al3 SiBO9 : Acta Cryst., 24, 1518{1522 |  | | Journal (article/letter/editorial) | | Stable coexistence of grandidierite and kornerupine during medium pressure granulite facies metamorphism...contain kornerupine and the rare borosilicate, grandidierite (Mg,Fe)A13BSiO9. Two distinct associations occur:...Seal Cove, where coexisting kornerupine and grandidierite occur within coarse-grained, metamorphic segregations...stability of co-existing komerupine and grandidierite. The grandidierite- and kornerupine-bearing segregations...with peak metamorphism. At McCarthy Point, grandidierite, kornerupine and late-tourmaline growth predates |  | | Journal (issue) | | Zircon Sapphires from the Russian Far East Grandidierite from Madagascar Editorial Staff Editor-in-Chief...Russia’s Jewish Autonomous District. 266 A New Deposit of Gem-Quality Grandidierite in Madagascar Delphine...Reviews the properties of exceptionally pure grandidierite from a new source. pg. 253 276 Peridot from...Russia, a new Madagascar deposit of the rare gem grandidierite, Vietnamese peridot, and Indonesian cultured...reports on a new occurrence of the rare gem grandidierite in southern Madagascar and provides a gemological |  | | Journal (article/letter/editorial) | | I , J , F . and C. KIEFT: crandldlerlte from Maratakka, northwest Surlnam and C, KIEFT, E, MURRAY , E... 973 343 346 1054 1155 343 332 Sirlnan Grandidierite, GRANT, J.A. in asserqblages Mlneral 1020 s |  | | Report (volume) | | dumortierite, grandidierite, and kornerupine Chapter 9. Table 6, pp. 402-403: Occurrences of grandidierite Chapter..."Pseudosinhalite" The system Mg0-Al203-B 2 03-Si02-H 2 0 Grandidierite Werdingite Kornerupine and prismatine (komerupine...Description Chemical composition Occurrence Grandidierite Description Chemical composition Occurrence...hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd...paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California. Mineral Ree 20:101-127 | | | Report (volume) | | dumortierite, grandidierite, and kornerupine Chapter 9. Table 6, pp. 402-403: Occurrences of grandidierite Chapter...hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd...paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California. Mineral Rec 20:101-127... from the Little Three mine pegmatite, Ramona District, San Diego County, California. Am Mineral 76:1998-2002...28:111-124 Herd RK, Windley BF, Ackermand D (1984) Grandidierite from a pelitic xenolith in the Haddo House |  | 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) | | Co., Bonanza mine, Trinity Co., Michigan Bluff district, Placer Co., in AK, placers at Fairbanks, Iditarod...and quartz veins at Juneau. In Canada, Noranda district, PQ; Porcupine, Kirkland Lake, and Larder Lake...deposits, ON; Atlin and Caribou, BC; and Klondike district, YT. In Mexico, Altar and Magdalena, SON; Parral...localities, AZ; Calico district, San Bernadino Co., Cerro Gordo(*), Inyo Co., Bodie district, Mono Co., and other...in CA. In Canada, at Cobalt(*) and Thunder Bay district, ON, Highland Bell mine(*), Beaverdell, BC, and |
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