Definition

Noun: * A heavy grey mineral that is an ore of copper: Copper glance is a specific, naturally occurring mineral compound, chemically known as chalcocite (copper(I) sulfide, Cu₂S). It is a significant source of copper metal due to its high copper content.

Examples

• Noun:
  • The miners discovered a rich vein of copper glance in the mountain.
  • Copper glance is often found in association with other copper ores.
  • This specimen of copper glance has a distinctive metallic, greyish-black luster.

Advanced Usage

• Geological/Mineralogical Context: The term is primarily used in geology, mining, and mineralogy to specifically identify the ore mineral chalcocite, distinguishing it from other copper ores like chalcopyrite (copper iron sulfide) or malachite (copper carbonate).
  • The assay confirmed that the primary ore in this deposit is copper glance, making it economically viable for extraction.

Variants and Related Words

• Chalcocite (n): The formal mineralogical name for copper glance.
  • Chalcocite is one of the most important sulfidic copper ores.
• Copper ore (n): A general term for any rock or mineral from which copper can be profitably extracted. Copper glance is one type of copper ore.

Synonyms

• Chalcocite (n): The scientific synonym.
• Copper sulfide ore (n): A descriptive synonym referring to its chemical composition.

Noun

1. a heavy grey mineral that is an ore of copper