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niobite

 

Definitions from WordNet

Noun niobite has 1 sense
  1. niobite, columbite - a black mineral that is an ore of niobium and tantalum
    --1 is a kind of mineral
    --1 has substances:
     niobium, Nb, atomic number 41; tantalum, Ta, atomic number 73

Definitions from the Web

Niobite

Definition:

Niobite is a mineral composed of niobium oxide and iron or manganese. It is typically found in granite pegmatites and is commonly used as an ore of niobium.

Examples:

As a noun:

  1. The geologist discovered a large deposit of niobite in the mountains.
  2. The niobite had a distinct reddish-brown color.
  3. Miners extracted niobite from the earth for industrial purposes.

As an adjective:

  1. The jewelry market saw a surge in popularity for niobite accessories.
  2. Her niobite necklace complemented her evening gown perfectly.
  3. In his collection, he proudly showcased a niobite pendant.

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