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powellite การใช้

ประโยคมือถือ
  • A Powellite third force might aptly be called the Optimist Party.
  • "' Powellite "'is a calcium molybdate mineral with formula CaMoO 4.
  • Minerals found in association with powellite include molybdenite, ferrimolybdite, stilbite, laumontite and apophyllite.
  • Associated minerals include antlerite, molybdenite, powellite, brochantite, chrysocolla, iron oxides and quartz.
  • Powellite ( calcium molybdate ) and scheelite ( calcium tungstate ) fluoresce intrinsically in yellow and blue, respectively.
  • Tyndall instead endorsed John O'Brien, a Powellite who had contacts across Britain's far-right.
  • Powellite crystallizes with tetragonal-dipyramidal crystal structure as transparent adamantine blue, greenish brown, yellow to grey typically anhedral forms.
  • Powellite was first described by William Harlow Melville in 1891 for an occurrence in the Peacock Mine, Adams County, Idaho and named for American explorer and geologist, John Wesley Powell ( 1834 1902 ).
  • It is also found in the region as massive radiating material with powellite, and in cavities in basalt as colorless, flattened crystals in radiating sprays on blocky green apophyllite covered by tiny, thin, colorless apophyllite plates.