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Commercially, selenium is produced as a byproduct of refining metal sulfide ores where selenium has partially replaced sulfur.

Selenium is used primarily in glassmaking and pigments, but also as a semiconductor in photocells and some electronic applications.

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Properties of SeleniumHide

Atomic Number:
Atomic Weight:
Melting Point:
494 K (767°C, 429°F)
Boiling Point:
958 K (1231°C, 1264°F)
4.82 g/cm3

Other Commodities associated with Selenium *Hide

CommodityAssociated LocalitiesTotal Localities% Association (commodity)% Association (Selenium)
Silver610,0650.06% of all Silver deposits have Selenium.35.29% of all Selenium deposits have Silver.
Uranium57,1140.07% of all Uranium deposits have Selenium.29.41% of all Selenium deposits have Uranium.
Copper49,2580.04% of all Copper deposits have Selenium.23.53% of all Selenium deposits have Copper.
Antimony49620.42% of all Antimony deposits have Selenium.23.53% of all Selenium deposits have Antimony.
Gold421,8750.02% of all Gold deposits have Selenium.23.53% of all Selenium deposits have Gold.
Vanadium41,3300.30% of all Vanadium deposits have Selenium.23.53% of all Selenium deposits have Vanadium.
Molybdenum31,1400.26% of all Molybdenum deposits have Selenium.17.65% of all Selenium deposits have Molybdenum.
Lead37,3150.04% of all Lead deposits have Selenium.17.65% of all Selenium deposits have Lead.
* in exploitable quantities, based on associations listed on

Deposits of SeleniumHide

This map shows a selection of deposits that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates.
  • Hubei
    • Enshi Autonomous Prefecture (E'xi Autonomous Prefecture)
      • Enshi Co.
  • Östergötland County
    • Valdemarsvik
  • Colorado
    • Gunnison Co.
      • Vulcan Mining District (Cebolla Mining District; Domingo Mining District)
        • Vulcan
  • Nevada
    • Churchill Co.
      • Lake Mining District
    • Elko Co.
      • Jarbidge Mining District
    • Esmeralda Co.
      • Crow Springs Mining District
    • Eureka Co.
      • Antelope Mining District
  • New Mexico
    • McKinley Co.
    • Sandoval Co.
      • Placitas District
  • Utah
    • Juab Co.
      • Warm Springs Mountain area
  • Washington
    • Ferry Co.
      • Republic Mining District
        • Republic
          • Copper Mountain
  • Wyoming
    • Campbell Co.
    • Fremont Co.
    • Laramie Co.
      • Silver Crown Mining District
    • Lincoln Co.
Mineral and/or Locality is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. relies on the contributions of thousands of members and supporters.
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