coltan definition

  • noun:
    • A metallic ore that is extracted the elements niobium and tantalum
    • an invaluable black colored mineral combining niobite and tantalite; utilized in mobile phones and computer chips
    • A metallic ore from where is removed the elements niobium and tantalum
    • an invaluable black mineral combining niobite and tantalite; found in mobiles and computer system potato chips

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