PCE pinnacle vrb limited

facts about zircon and its uses

  1. 1,857 Posts.
    Posters seem to not like PCE's investment in a gold and zircon mineral sands project. Well have a look at the usees of Zr . . notice the one that is coupled with Uranium. So if Uranium stocks are increasing in value and that preseumably lies in selling the stuff (eventually) then the things that go with it must also increase in usage as well. Maybe PCE got it right?


    zirconium (zurkô'nçum) [key], metallic chemical element; symbol Zr; at. no. 40; at. wt. 91.22; m.p. about 1,852°C; b.p. 4,377°C; sp. gr. 6.5 at 20°C; valence +2, +3, or +4.
    Zirconium is a very strong, malleable, ductile, lustrous silver-gray metal. At ordinary temperatures it has a hexagonal close-packed crystalline structure. Its chemical and physical properties are similar to those of titanium, the element above it in group IVb of the periodic table. Zirconium is extremely resistant to heat and corrosion. It forms a number of compounds, among them zirconate (ZrO3-2) and zirconyl (ZrO+2) salts.
    The most important compound is the oxide zirconia (ZrO2), used extensively as a refractory material in furnaces and crucibles, in ceramic glazes, and, formerly, in gas mantles. It occurs in nature as the silicate (ZrSiO4) and is used as a gemstone; it may be clear or colored, and is usually called zircon or hyacinth. Zirconium compounds also have minor uses as catalysts, in the dye, textile, plastics, and paint industries, and in pharmaceuticals such as poison ivy lotions.
    The metal also has many other uses, among them in photographic flashbulbs and surgical instruments, in the removal of residual gases from electronic vacuum tubes, and as a hardening agent in alloys, especially steel. A major use of the metal is in nuclear reactors. It is employed in tubes for cladding uranium oxide fuel. It is well suited for this purpose because it is corrosion resistant and does not readily absorb thermal neutrons. It is specially purified to remove hafnium, which absorbs neutrons much more readily. It is usually alloyed with other metals to make it more corrosion resistant for these uses.
 
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