| 11. | It forms a solid solution series with scheelite ( calcium tungstate, CaWO 4 ).
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| 12. | Ferberite is a black monoclinic mineral composed of iron ( II ) tungstate, O 4.
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| 13. | In aqueous solution, tungstate gives the heteropoly acids and polyoxometalate anions under neutral and acidic conditions.
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| 14. | Lead tungstate is extremely dense ( denser than iron ), stopping most photons that reach it.
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| 15. | Cadmium tungstate was used as a replacement of calcium tungstate in some fluoroscopes since 1940's.
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| 16. | Cadmium tungstate was used as a replacement of calcium tungstate in some fluoroscopes since 1940's.
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| 17. | These HIMS produce six streams of varying quality tungsten concentrate grading up to > 60 % tungstate.
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| 18. | Small additions of magnesium tungstate improved the blue part of the spectrum to yield an acceptable white light.
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| 19. | Generation 4 was characterized by the implementation of lead tungstate as the stabilizer in place of thallium sulfate.
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| 20. | Powellite ( calcium molybdate ) and scheelite ( calcium tungstate ) fluoresce intrinsically in yellow and blue, respectively.
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