 | | Journal (article/letter/editorial) | | Grandidieriteof contact-metamorphic originfrom Maratakka, northwestSurinam Euoxo W. F. or Rorvnn GeologischM...pyroxene-hornfels-facies xenolithsin a gabbroicintrusion at Maratakka,northwestSurinam. Introduction Occurrence Grandidierite...body, a few kilometersin size, gabbroicbodyat Maratakka(5" 11,37,,N, 56"54,16" surroundedby granite,presumablywith...birefringencevery strong enclosedin biotite,as aggregates in feldspar,and as (0.030-0.040). The absorptionschemeis X...presenceof hypersthene, limanite,and corundum* alkali feldspar,metamoraround 700'C or highermay be phic temperatures |  | | Report (volume) | | AI2O3-B2O3-SÌO2-H2O "Boron-mullites" Dumortierite Alkali-free Al-tourmaline The system Mg0-Al 2 03-B203-H...prismatine (komerupine s.l.) Magnesiodumortierite Alkali-free dravite Complex tourmalines Dravite Uvite...Introduction Binary and Pseudobinary Borate Systems Alkali and alkaline earth borates The B203-Si02 system...reedmergnerite, a boron albite, and its relation to feldspar crystal chemistry. Am Mineral 50:1827-1850 Aristarain...hydrous strontium borate from the Kramer Borate District, California. USGS Prof Paper 424-C:294-297 Erd | | | Report (volume) | | reedmergnerite, a boron albite, and its relation to feldspar crystal chemistry. Am Mineral 50:1827-1850 Aristarain...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... D[Fe72+(Al,Fe3*)]Alg Sig01g(BO3)3(OH)4, a new alkali-deficient tourmaline: description and crystal structure |  | 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) | | Tucson, Arizona, 1995 J. V. Smith and W. L. Brown, Feldspar Minerals, Springer-Verlag, New York, 1988 Feldspars...Geothermal Research J. V. Smith and W. L. Brown, Feldspar Minerals, Springer-Verlag, New York, 1988 Kristallografiya...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 |
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