bournonite: meaning, definition, pronunciation and examples
Very low (technical/mineralogical term)Technical/Scientific (Geology, Mineralogy)
Quick answer
What does “bournonite” mean?
A specific mineral, lead copper antimony sulfide (PbCuSbS₃).
Audio
Pronunciation
Definition
Meaning and Definition
A specific mineral, lead copper antimony sulfide (PbCuSbS₃).
A metallic, steel-gray to black orthorhombic mineral, often occurring in twinned crystals with a cogwheel shape. It is an ore of copper and antimony, named after the French mineralogist Comte Jacques de Bournon.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Pronunciation may vary slightly.
Connotations
None beyond its scientific definition.
Frequency
Extremely rare in all forms of English outside specialized geological/mineralogical contexts.
Grammar
How to Use “bournonite” in a Sentence
[The] bournonite [from Cornwall] is [twinned].[This] specimen [contains] bournonite.[Analysts] identified bournonite [in the ore].Vocabulary
Collocations
Examples
Examples of “bournonite” in a Sentence
noun
British English
- The finest bournonite specimens are often from Cornwall.
- Under the microscope, the bournonite displayed characteristic polysynthetic twinning.
American English
- The museum acquired a new bournonite for its mineral collection.
- Bournonite's metallic lustre makes it distinctive in hand samples.
Usage
Meaning in Context
Business
Virtually never used. Potentially in the context of mining commodity reports.
Academic
Used exclusively in geology, mineralogy, and earth science publications.
Everyday
Never used.
Technical
The primary domain. Describes a specific mineral in field reports, catalogues, and scientific papers.
Vocabulary
Synonyms of “bournonite”
Strong
Neutral
Weak
Vocabulary
Antonyms of “bournonite”
Watch out
Common Mistakes When Using “bournonite”
- Misspelling as 'bourninite' or 'bournonate'.
- Incorrect pronunciation placing stress on the first syllable in American English (/ˈbɔːrnoʊnaɪt/).
- Assuming it is a common word.
FAQ
Frequently Asked Questions
Primarily as a collector's specimen due to its distinctive crystal forms. It is a minor ore of copper and antimony but is not a major economic source.
Historically classic localities include Cornwall (UK), Příbram (Czech Republic), and Bolivia. It forms in medium-temperature hydrothermal veins.
It refers to bournonite crystals that are twinned in such a way (cyclic twinning) that they form shapes resembling a gear or cogwheel, which is its most famous identifying feature.
Almost never. It is a highly specialised term. Using it outside a geological context would likely cause confusion unless speaking to another enthusiast or specialist.
A specific mineral, lead copper antimony sulfide (PbCuSbS₃).
Bournonite is usually technical/scientific (geology, mineralogy) in register.
Bournonite: in British English it is pronounced /ˈbʊənənaɪt/, and in American English it is pronounced /ˈbʊrnəˌnaɪt/ or /bʊrˈnoʊnaɪt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “N/A”
Learning
Memory Aids
Mnemonic
BOURNONITE sounds like 'bourne' (a boundary) and 'night'. Imagine a mineral found at the *boundary* of a mine, only visible with a light in the *night*. Its 'cogwheel' shape also looks like a gear from an old machine.
Conceptual Metaphor
N/A. The term is a technical label without common metaphorical extensions.
Practice
Quiz
Bournonite is primarily classified as: