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[yŏŏ-rā́nə-nīt́]
(n.)A complex brownish-black mineral, UO, forming the chief ore of uranium and containing variable amounts of radium, lead, thorium, and other elements. It is isomorphous with thorianite.
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Uraninite - Wikipedia, the free encyclopedia
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Uraninite is a radioactive, uranium-rich mineral and ore with a chemical composition that is largely UO 2 , but also contains UO 3 and oxides of lead, thorium, and rare earth elements. It is most...
en.wikipedia.org/wiki/Uraninite
The Mineral URANINITE ... Uraninite is a highly radioactive and interesting mineral. It is the chief ore of uranium and radium, which is found in trace amounts. Helium was first discovered on the earth in samples of uraninite. Radium and helium are found in uraninite because they are the principle products of uranium's...
www.galleries.com/Minerals/Oxides/uraninit/uraninit.htm
GRapi = 6,010,360.79 (Gamma Ray American Petroleum Institute Units) ; Concentration of Uraninite per GRapi unit = 166.38 (PPB) ... Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 5.06 ± 1.27 grams of pure Uraninite . Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr...
webmineral.com/data/Uraninite.shtml webmineral.com/data/Uraninite.shtml · Cached
Uraninite Group . Thorianite-Uraninite Series . Occurs in granitic and syenitic pegmatites. Colloform crusts in high temperature hydrothermal veins. In quartz-pebble conglomerates. ... Classification of Uraninite...
www.mindat.org/min-4102.html
Oxides : uraninite - ianthinite group ... Uraninite is the main ore of uranium. ... Uraninite (pitchblende) from Vall Fosca.
www.geology.neab.net/minerals/uraninit.htm
Information and images of the mineral Uraninite, including Uraninite petrified wood ... Occurrence - The host rock is quartz sandstone heavily impregnated with Uraninite. The Uraninite also occurs as a 1.5 cm thick vein in a crack in the sandstone. Through the approximate center of this vein of Uraninite is a 2 mm thick vein...
www.uraniumminerals.com/UTh/Uraninite.htm www.uraniumminerals.com/UTh/Uraninite.htm
Get the FREE one-click dictionary software for Windows. NEW iPhone Audio English dictionary; Noun: uraninite yû'ra-nu`nIt ... uraninite in massive form is called pitchblende which is the chief uranium ore; - pitchblende...
www.wordwebonline.com/en/URANINITE www.wordwebonline.com/en/URANINITE
Uraninite is the ore that uranium comes from. Uranium can be found in most rocks but uraninite has the most. It forms in igneous and sedimentary rocks. It is radioactive. Uraninite is weathered and eroded over time.
library.thinkquest.org/05aug/00461/uraninite.htm library.thinkquest.org/05aug/00461/uraninite.htm · Cached
Information on the mineral uraninite ... Uraninite was once thought to be worthless. When the discovery of its useful uranium content was unveiled, it became extremely significant. It is the most common and widespread uranium mineral, making it the best known uranium ore.
www.minerals.net/mineral/oxides/uraninit/uraninit.htm · Cached