Definition

Noun: * A black mineral that is an ore of niobium and tantalum. It is a source of these two chemically similar metallic elements.

Usage

• "Niobite" is a technical term used primarily in geology, mineralogy, and mining. It refers to a specific mineral species that is mined for its metal content.
• Example: "The geologist identified the black crystalline sample as niobite."
• Example: "This mine produces niobite, which is then processed to extract niobium."

Advanced Usage

• In more precise mineralogical contexts, "niobite" is often synonymous with or has been largely replaced by the term columbite. The mineral series is more accurately referred to as the columbite-tantalite series or the columbite group, where the composition varies between iron niobate and iron tantalate.

Variants and Related Words

• Columbite (noun): Another name for the same mineral, especially when the niobium content is higher than the tantalum content. Often used interchangeably with "niobite".
• Tantalite (noun): The mineral in the same series where the tantalum content is dominant over the niobium content.
• Niobium (noun): The metallic element (symbol Nb) extracted from niobite.
• Tantalum (noun): The metallic element (symbol Ta) also extracted from niobite.

Synonyms

• Columbite

Different Meanings

• There are no common alternative meanings for "niobite". It is a specific scientific term with a single, precise definition.

Noun

1. a black mineral that is an ore of niobium and tantalum