Definition

1. Noun:
   • A mineral used as an ore of tungsten: Scheelite is a calcium tungstate mineral that is an important source of the metal tungsten. It is typically found in white, brown, or yellowish crystals.

Usage Examples

• Noun:
  • The mine was rich in scheelite, making it a valuable source of tungsten.
  • Under ultraviolet light, some samples of scheelite exhibit a bright blue fluorescence.

Advanced Usage

• As a geological term: Scheelite is often discussed in the context of mineral deposits and economic geology.
  • The geologists identified the vein as containing high-grade scheelite.

Variants and Related Words

• Tungsten (n): The metallic element (symbol W) extracted from scheelite and other ores.
• Wolframite (n): Another important ore mineral for tungsten, often found alongside scheelite.

Synonyms

• Calcium tungstate: The chemical name for the mineral.
• Tungsten ore: A general term for minerals from which tungsten is extracted.

Noun

1. a mineral used as an ore of tungsten