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  • metamict — 1. adjective Having a disrupted lattice due to radiation damage. 2. noun A mineral with a disrupted lattice due to radiation damage. See Also …   Wiktionary

  • metamict — meta·mict …   English syllables

  • metamict — ˈmed.əˌmikt adjective Etymology: meta + Greek miktos mixed, compounded, verbal of mignynai, meignynai to mix more at mix of a mineral : amorphous because of the disruption of the crystal structure by radiation from contained or nearby radioactive …   Useful english dictionary

  • Metamictization — (sometimes called metamiction) is a natural process resulting in the gradual and ultimately complete destruction of a mineral s crystal structure, leaving the mineral amorphous. Affected material is therefore described as metamict. Certain… …   Wikipedia

  • Zircon — Not to be confused with zirconia or cubic zirconia. This article is about the mineral. For other uses, see Zircon (disambiguation). Zircon Zircon crystal from Tocantins, Brazil (2×2 cm) …   Wikipedia

  • Thorite — Thorite, (Th,U)SiO4, is a rare nesosilicate of thorium that crystallizes in the tetragonal system and is isomorphous with zircon. It is the most common mineral of thorium and is nearly always strongly radioactive. It was named in 1829 to reflect… …   Wikipedia

  • Allanite — from the Mt. Isa – Cloncurry area, Queensland, Australia (scale bar 1 inch) General …   Wikipedia

  • industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

  • Cleusonite — General Category Oxide minerals Chemical formula (Pb,Sr)(U4+,U6+)(Fe2+,Zn)(Ti,Fe2+,Fe3+)18(O,OH)38 Strunz classification 0 …   Wikipedia

  • Roald Hoffmann — Infobox Scientist name = Roald Hoffmann image width =150px caption = Roald Hoffmann birth date = July 18, 1937 birth place = Złoczów, Poland death date = death place = residence = citizenship = nationality = Poland ethnicity = field = chemistry… …   Wikipedia

  • Titanite — from Capelinha, thumb|300pxTitanite or sphene is a calcium titanium nesosilicate mineral, CaTiSiO5. Trace impurities of iron and aluminium are invariably present. Also commonly present are rare earth metals including cerium and… …   Wikipedia

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