 | | Journal (issue) | | pegmatite, Madagascar ..................................191 by W. E. Wilson The Port Radium district, Northwest...May-June, 198S 0 the Anjanabonoina Pegmatite Madagascar Wendell E. Wilson The Mineralogical Record 4631...and pink cesium-rich beryl. T INTRODUCTION Madagascar is the fourth largest island in the world, 1580...of the island, 42 kilometers west-southwest of Betafo, and 60 km from Antsirabe. The area is rugged and...March. HISTORY Reports of precious stones from Madagascar were more or less ignored for centuries. In 1547 |  | | Book | | at Miass, Southern Ural Mountains, Russia; in Madagascar at Ambatofinandrahana, Ampangabe, and Antsakoa...Titania in Metamorphic Rocks The Onganja mining district, Namibia, perhaps more noteworthy to collectors... lmenite to mixtures of rutile and hematite, magnetite, or ;iderite is attributed to metamorphic processes...been found as oriented overgrowths on hematite, magnetite, ilmenite, brookite, and anatase. Microscopic...at numerous localities in the Iveland pegmatite district, Norway, at the type locale near Miask, Ilmeny |  | | Report (volume) | | development of the rich uranium ores of the Katanga district in the Belgian Congo. The uraninite ores of Great...Crystal from pegmatite. Lac Pied des Monts, Saguenay district, Quebec, Canada. Ellsworth, analyst, in Ellsworth...Uraninite. Crystal from pegmatite. Parry Sound district, Ontario, Canada. Ellsworth ( 1921). 29. Uraninite...Sunnyside mine, Idaho Springs, Colo..... (4) Sudbury district, Ontario____________________ (3) Lanark County...and N uffield Saskatchewan. (1952). Central City district, Colo._________________ (4) Old Town mine, Russell |  | | Book (volume) | | up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy...pageite read paigeite. for Algoma district read Sudbury District. in the left Itand figure in the...1910; 5, 1913; Paris. (1922-1923). Mineralogie de Madagascar. 3 volumes: vols. 1, 2, 1922; 3, 1923; Paris...Alps to the Pyrenees. The most important European district is in Transylvania, in the southeast portion of |  | | Book | | Japan, 462 Switzerland, 510 Tanzania 463 Madagascar (Malagasy Republic), Malawi Nepal, 482 513...more km) from Coptos passed center for these district, correspond cites a King to the are to Bostock...location of the mines Holland’s translation, of district, and it could have been Probably these mines...BERYL IN 44 in the material carved in China, Madagascar Pough, beryl is is in existence.” morganite...London contains the finest and largest pink Madagascar faceted morganite known did hundreds of small |  | | Book | | deposit, Great Bear Lake, Canada; Gold.fields district, Canada) (Fig. '2.7). Brecciated pitchblende 111ay...Canada and Schneeberg, Saxony. In the Blind River district of Ontario :fine-grained euheclral uraninite occurs...Dak.; Hyatt Beryl pegmatite, Crystal Mountain district, Colo.; Lac la Ronge, northern Sask.; Villeneuve...marbles and 1netapyroxenites of the Bancroft, Ont., district (pages 245-246 ); in serpentinite near Easton...Monticello district; T emple 1'4ountain, San Rafael district; La Sal Creek, Paradox district; or ( b) a |  | | Book | | serpentine rocks contain veins rich in garnets and magnetite; and here the action of water can produce very...metalliferous minerals such as chromite, pyrrhotine, magnetite and titanite. The nearer the magma is to the surface...cleavage planes. Calcite breaks easily; pyrites, magnetite, quartz and granite do not break. Cleavage is...minerals are actually repelled by a magnetic field. Magnetite is ferromagnetic. Haematite and siderite are examples...others are diamagnetic. The innate properties of magnetite make it a long-lasting natural magnet. In a polar |  | 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) | | calcite, dolomite, apatites, rutile, hematite, magnetite, pyrite, and others. Such minerals constitute...Mineralogical Magazine A. LaCroix, Mineralogie de Madagascar, 1922 P. Embry and Fuller Manual of New Mineral...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 |  | | Journal (issue) | | natural base. $125.00 GALENA. St. Joseph Lead District, Mis souri. This is the m ost brilliant cubic..."approximately $45.00). SIEGENITE. St. Joseph Lead District, Missouri. A rare cobalt nickel sulfide with brilliant...gahnite (ZnA l20 4), trevorite (NiFe20 4), and magnetite (Fe30 4 or Fe2+ Fe32 + 0 4). All of these are...form ed by intense supergene alteration of the magnetite. Only hem atite was m ined due to its much higher... B. F. (1952) Geology of the An dover mining district, Sussex County, New Jersey: N. J. Dept. Conserv |  | | Book (edition) | | Trapezohedron Dodecahedron and Trapezohedron Magnetite. The hexoctahedron. Figs. 121, 122, is the genHexoctahedron...6(010), cf. p. 172. It is also observed with magnetite (Fig. 474) pyroxene, barite, etc. , by Figs....it resembles a combination (spinel, fluorite, magnetite). CRYSTALLOGRAPHY 176 The dodecahedron lengthened...faces of the pyritohedron; also the striations on magnetite due to the oscillation between the octahedron...twinning. This is illustrated by Fig. 474 of magnetite from Port Henry, N. Y. (Kemp.) 260. Markings from |  | | Book | | a crystalline 11 limestone at Ambatoarina, Madagascar. Compare Ancylite (G. Flink, 1900; 2nd List.)...ortho¬ rhombic) prisms in pegmatite at Ampangabe, Madagascar. It approximates in composition to the heterogeneous...cassiterite and quartz from near Arandis, Swakopmund district, South-West Africa. Named from the locality. [M...mixed friable ore from the Mammoth mine, Tintic district, Utah. This formula is deduced from a very unsatisfactory...Named from the locality, Askana (AcKaHa), Ozurgety district, Georgia, Transcaucasia. [M.A., 7, 426.] 15th |  | | Journal (volume) | | Third Floor, Ferry Building, San Francisco 11 District Offices State Building, 217 West 631 J Street...are also sold at the Los Angeles and Sacramento district ; ; ; offices. In addition to oral conferences...sands for steel foundries from the Ottawa-Illinois district had accelerated with the growth of the steel-casting...grains of volcanic rock, gypsum (CaS0 4 .2H 2 0), magnetite (Fe 3 6 4 -on (ZrSi0 4 ), or olivine '[(MgFe)...halloysite sold to foundries has come from the Eureka district of Utah. It is also known to occur in Indiana |  | | Book (edition) | | original spelling of hemafibrite. Aimant, syn. of magnetite. E.S. Dana ( 1 892) Sysr. Min., 6th ed .. p. 224...syn. of magnetite. E.J . Chapman ( 1 843) Pracr. Mill., p. 1 40. An early name of magnetite. from the...Min. 38. 265. Orthorhombic. (TL) Ambatoarina. Madagascar. Named for locality. Amber. a fossil resin. Contains...Sac.fr. Min. Crist. 83. 295. (11..) Ampangabe. Madagascar. Am p h ibole. group of chain silicate minerals...28'. Z=4. (TL) Grand Reef mine. Aravaipa mining district. Graham Co .. Arizona. USA. Named from locality |  | Doelter, C. (1918) Handbuch der Mineralchemie Vol. 3-1 - Erste Abteilung - De Elemente und Verbindungen von: Ti, Zr, Sn, Th, Nb, Ta, N, P, As, Sb, Bi, V und H. Theodor Steinkopff, Dresden und Leipzig. | Book (volume) | | Madagaskar; anal . wie oben, 4. Samiresit von Samiresy, Madagaskar ; anal. wie oben . Äschynit.¹) Von...anal. K. A. Ges. 43, 2631 (1910). 24. Euxenit von Samiresy, Madagaskar ; anal. F. Soc. min. 35, 91 ( 1912)...NIOBATE UND TANTALATE. 4. Microlith von Wodgina District, W. Australia ; anal. E. S. Simpson , Austr. Assoc... S. Blake , ebenda S. 36. 18. Fergusonit von Madagascar zwischen Tamatave u. Beforona ; anal . F. Pisani...684 ( 1902). 12. Samarskit von Antanamalaza , Madagascar ; anal . G. Pisani bei A. Lacroix. C. R. 152 |
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