• Thumbnail for Thorianite
    gravity and composition three types of thorianite are distinguished: α-thorianite β-thorianite γ-thorianite Thorianite and uraninite form a complete solid...
    10 KB (871 words) - 09:33, 14 November 2023
  • Thumbnail for Thorium dioxide
    thoria, it is mainly a by-product of lanthanide and uranium production. Thorianite is the name of the mineralogical form of thorium dioxide. It is moderately...
    13 KB (1,232 words) - 10:24, 5 February 2024
  • Thumbnail for Occurrence of thorium
    occurs in several minerals including thorite (ThSiO4), thorianite (ThO2 + UO2) and monazite. Thorianite is a rare mineral and may contain up to about 12% thorium...
    18 KB (1,621 words) - 18:39, 12 May 2024
  • Thumbnail for Uraninite
    in the processing of uranium. List of minerals List of uranium mines Thorianite Uranium ore deposits Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols"...
    9 KB (784 words) - 21:02, 25 August 2024
  • group Thomasclarkite-(Y) Thomsenolite Thomsonite (series of zeolites) Thorianite Thorite Thortveitite Tiemannite Tienshanite Tilleyite Tin Tinaksite Tincalconite...
    42 KB (2,782 words) - 11:49, 1 September 2024
  • Thumbnail for Metal
    chosen name lutetium was adopted. In 1908, Ogawa found element 75 in thorianite but assigned it as element 43 instead of 75 and named it nipponium. In...
    92 KB (10,964 words) - 14:36, 6 September 2024
  • Tpy Tuperssuatsiaite Tup Tanteuxenite-(Y) Ttx-Y Terlinguacreekite Tck Thorianite Tho Tolbachite Tbc Tristramite Ttm Turanite Trn Tantite Tan Terlinguaite...
    180 KB (418 words) - 05:15, 30 June 2024
  • Thumbnail for Heike Kamerlingh Onnes
    helium. This he obtained in 1911 from Welsbach's company, which processed thorianite to produce thorium for gas mantles. Helium is produced as a side product...
    17 KB (1,752 words) - 09:02, 13 September 2024
  • Thumbnail for Masataka Ogawa
    Ramsay in London, where he worked on the analysis of the rare mineral thorianite. He extracted and isolated a small amount of an apparently unknown substance...
    4 KB (384 words) - 05:27, 4 July 2024
  • Thumbnail for Thorium
    ZrSiO4) up to 0.4% thorium. Thorium dioxide occurs as the rare mineral thorianite. Due to its being isotypic with uranium dioxide, these two common actinide...
    136 KB (15,975 words) - 05:51, 18 August 2024
  • Thumbnail for Oxide mineral
    TiO2 Pyrolusite MnO2 Cassiterite SnO2 Baddeleyite ZrO2 Uraninite UO2 Thorianite ThO2 XY2O4 form Spinel group Spinel MgAl2O4 Gahnite ZnAl2O4 Magnetite...
    18 KB (1,957 words) - 19:53, 9 July 2024
  • Zimmerman. Thorium oxide was discovered by Friedrich Wöhler in the mineral thorianite, which was found in Norway (1827). Jöns Jacob Berzelius characterized...
    130 KB (11,597 words) - 10:51, 3 September 2024
  • Thumbnail for Otto Hahn
    new radioactive element, extracted from a mineral from Ceylon, named Thorianite, and possibly, it is conjectured, the substance which renders thorium...
    115 KB (14,409 words) - 09:00, 13 September 2024
  • significant deposits of radioactive ores, including pitchblende, uranium and thorianite. In the ensuing 50 years, however, little to no effort was made to exploit...
    75 KB (7,678 words) - 22:01, 6 September 2024
  • Thumbnail for George Stanfield Blake
    engaged in mineralogical studies of Crown colonies. Here, with Dunstan, thorianite from Ceylon was described as a new mineral and he published papers on...
    10 KB (1,422 words) - 21:33, 1 February 2023
  • Thumbnail for Ore genesis
    mineral salts (halite), carbonates (cerussite), phosphates (monazite and thorianite), and sulfates (barite) elevated temperatures causing decomposition reactions...
    33 KB (3,971 words) - 23:11, 19 June 2024
  • used. 75 Rhenium 1908 M. Ogawa 1919 M. Ogawa Masataka Ogawa found it in thorianite in 1908, but assigned it as element 43 and named it nipponium. (Elements...
    131 KB (4,821 words) - 03:42, 30 August 2024
  • Thumbnail for Baddeleyite
    rutile (TiO2), pyrolusite (MnO2), cassiterite (SnO2), uraninite (UO2) and thorianite (ThO2). Baddeleyite is chemically homogeneous, but it may contain impurities...
    12 KB (1,222 words) - 16:26, 29 January 2024
  • Thumbnail for Stillwellite-(Ce)
    deposit; with calcite, monazite, bastnasite, thorite, uranothorite and thorianite in the Desmont mine, Wilberforce, Ontario, Canada; and with pyrochlore...
    4 KB (229 words) - 15:57, 10 July 2024
  • Thumbnail for Bertram Boltwood
    analyzing ten mineral samples from different world locations, including a thorianite that measured 2.2 billion years old. This value was ten times greater...
    15 KB (1,759 words) - 15:01, 8 January 2024
  • Thumbnail for Ida Noddack
    viewpoints...a record of X-ray spectrum of Ogawa's nipponium sample from thorianite was contained in a photographic plate reserved by his family. The spectrum...
    29 KB (3,346 words) - 12:57, 28 July 2024
  • Thumbnail for Anosy
    Archived from the original (PDF) on 2014-03-28. Arkenstone. (2010). Thorianite specimen from Maromby Commune (near Tranomaro) Archived October 11, 2012...
    90 KB (9,249 words) - 12:21, 28 August 2024
  • import a wide variety of ores including pitchblende, pyromorphite, and thorianite from foreign markets including Hungary, Canada and the United States....
    11 KB (1,499 words) - 17:27, 16 February 2024
  • 1933) 4.DG.15 [329] [330] [331] (IUPAC: tin(II) ditantalum hexaoxide) Thorianite (fluorite: 1904) 4.DL.05 [332] [333] [334] (IUPAC: thorium dioxide) Thorikosite...
    65 KB (4,554 words) - 17:40, 9 February 2024
  • Nuclide with A=292 and Neutron-Deficient Thorium Isotopes in Natural Thorianite 2011 — Upper Limits for the Existence of Long-Lived Isotopes of Roentgenium...
    6 KB (623 words) - 05:59, 8 June 2023