bornite

Thân thiện

A geologist holds a piece of bornite in a rock collection.

Definition

Noun: * A reddish-brown to copper-red mineral consisting of a sulfide of copper and iron (Cu₅FeS₄). It is an important ore of copper, often tarnishing to an iridescent purple, blue, and red surface, which gives it the common name "peacock ore."

Usage

• As a subject: "Bornite is frequently found in hydrothermal veins."
• As an object: "Miners extracted a large quantity of bornite from the new shaft."
• With modifiers: "The specimen displayed classic peacock bornite coloration."

Examples

• The geologist identified the shiny, purple-tarnished rock as bornite.
• Bornite and chalcopyrite are the two primary copper sulfides mined in this region.
• Due to its high copper content, bornite is a valuable economic mineral.

Advanced Usage

• In economic geology, bornite is classified as a primary copper ore mineral.
• The distinctive iridescent tarnish on bornite is caused by surface oxidation.

Variants and Related Words

• Peacock Ore: A common name for bornite, referring specifically to its tarnished, colorful appearance.
• Chalcopyrite: Another copper-iron sulfide mineral (CuFeS₂), often found associated with bornite.

Synonyms

• Peacock ore (common name)

Different Meanings

This word has only one specific meaning as a mineralogical term. It is not used in other general contexts.

Học thuật

Noun

1. a mineral consisting of sulfides of copper and iron that is found in copper deposits

Từ đồng nghĩa

• peacock ore