Britannica Sources used in this answer

Where are major pyrochlore mines located?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Major pyrochlore mines are located in the following regions:

  • Brazil: Significant deposits are found in the states of Minas Gerais and Goiás. Brazil is the world's largest producer of niobium.12
  • Canada: A major mine is located at Saint-Honoré, Quebec.1

While pyrochlore is a principal commercial source of niobium and occurs in various alkaline rocks and pegmatites globally, these specific locations host the large-scale mining operations.314