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Selenium vs Francisite - What's the difference?

selenium | francisite |

As a proper noun selenium

is , character in the play cistellaria of plautus.

As a noun francisite is

(mineral) an orthorhombic-dipyramidal light green mineral containing bismuth, chlorine, copper, oxygen, and selenium.

selenium

English

(wikipedia selenium)

Noun

(-)
  • A nonmetallic chemical element (symbol Se) with an atomic number of 34.

    • Derived terms

    * hydroselenic acid * metallic selenium * selane * selen- * selenate * seleniate * selenic acid * selenide * seleniferous * selenio-, seleno- * selenious acid * selenite * selenium cell * selenium dioxide * selenium eye * selenium hydride * selenium oxide * selenium sulfide, selenium sulphide * seleniuretted * seleno- * selenous * selenyl

    References

    See also

    * (wikipedia "selenium") ----

    francisite

    English

    Noun

  • (mineral) An orthorhombic-dipyramidal light green mineral containing bismuth, chlorine, copper, oxygen, and selenium.

    • References

    * Francisite in the Mineralogy Database: [http://webmineral.com/data/Francisite.shtml]