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columbite

/kəˈlʌm.baɪt/

Traduction: Minéral noir composé d'oxyde de niobium et de tantale, servant de minerai principal pour ces deux métaux.

1 entrée

noun

/kəˈlʌm.baɪt/C2formalscientific
  • frMinéral noir composé d'oxyde de niobium et de tantale, servant de minerai principal pour ces deux métaux.

A black mineral that serves as an ore for niobium and tantalum.

  1. Niobium-tantalum oreC1formalscientific

    A black, dense mineral composed of iron, manganese, niobium, and tantalum, serving as a primary source for these metals.

    frColumbite (minerai de niobium-tantale)

    • Columbite is often found in granite pegmatites.
    • The mining company extracted columbite for tantalum production.
    • Geologists identified columbite in the rock sample.

    Synonymesniobite

Formes
  • columbites plural form
  • columbites' possessive plural form
  • columbite's possessive singular form