colorado ruby: meaning, definition, pronunciation and examples

Very low
UK/ˌkɒl.əˈrɑː.dəʊ ˈruː.bi/US/ˌkɑː.ləˈræ.doʊ ˈruː.bi/

Specialized / Technical (Geology, Gemology, Local/Regional)

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Quick answer

What does “colorado ruby” mean?

A type of deep red, pinkish-red, or reddish-brown semi-precious stone (a garnet) found in Colorado, USA.

Audio

Pronunciation

Definition

Meaning and Definition

A type of deep red, pinkish-red, or reddish-brown semi-precious stone (a garnet) found in Colorado, USA.

A term for the pyrope or rhodolite garnet varieties mined in Colorado; sometimes used more generally to refer to any attractive red gemstone from that region.

Dialectal Variation

British vs American Usage

Differences

The term is almost exclusively American, referring to a stone from a US state. In British contexts, it would be an unfamiliar, imported technical term. The spelling 'colour' is not used in this proper noun.

Connotations

In the US, it may evoke ideas of the American West, local craftsmanship, or regional pride. In the UK, it has no inherent connotations beyond its technical meaning.

Frequency

Extremely rare in general British English; used only by specialists. More common, though still niche, in US regional English (particularly in Colorado and surrounding areas).

Grammar

How to Use “colorado ruby” in a Sentence

[The jeweller] set [the ring] with [a Colorado ruby].[This specimen] is [a fine Colorado ruby].

Vocabulary

Collocations

strong
genuine Colorado rubyrough Colorado rubyColorado ruby garnet
medium
mine a Colorado rubyset in a Colorado rubypolished Colorado ruby
weak
beautiful Colorado rubyrare Colorado rubydeep red Colorado ruby

Examples

Examples of “colorado ruby” in a Sentence

verb

British English

  • [Not applicable as a verb]

American English

  • [Not applicable as a verb]

adverb

British English

  • [Not applicable as an adverb]

American English

  • [Not applicable as an adverb]

adjective

British English

  • [Used attributively] The Colorado-ruby necklace was the highlight of the collection.
  • [Used attributively] He specialised in Colorado-ruby deposits.

American English

  • [Used attributively] She wore a stunning Colorado ruby pendant.
  • [Used attributively] The mine is known for its Colorado ruby output.

Usage

Meaning in Context

Business

Used in niche jewellery retail and gemstone wholesale, e.g., 'Our boutique features jewellery set with authentic Colorado rubies.'

Academic

Used in geology, mineralogy, and gemology papers to specify the provenance of a garnet sample.

Everyday

Virtually unused. If encountered, likely in tourist contexts in Colorado: 'I bought a necklace with a local Colorado ruby.'

Technical

Precise term in gemological identification and cataloguing to distinguish garnets from the Colorado region from those of other origins.

Vocabulary

Synonyms of “colorado ruby”

Strong

American pyropeRocky Mountain garnet

Neutral

Colorado garnetpyrope garnet (from Colorado)rhodolite garnet (from Colorado)

Weak

red Colorado stonewestern gem

Vocabulary

Antonyms of “colorado ruby”

synthetic rubyimitation garnetcolorless quartz

Watch out

Common Mistakes When Using “colorado ruby”

  • Capitalising 'ruby' (should be 'Colorado ruby', not 'Colorado Ruby' unless starting a sentence).
  • Referring to it as simply a 'ruby' without qualification, which is gemologically inaccurate.
  • Misspelling 'Colorado'.

FAQ

Frequently Asked Questions

No. Despite the name, a Colorado ruby is not a true ruby (which is red corundum). It is a variety of garnet, specifically pyrope or rhodolite, found in Colorado, USA.

They are mined in specific locations in Colorado, USA, such as near the towns of Salida or Buena Vista. They are often found in alluvial deposits and antique jewellery from the region.

The term is a historical misnomer or a 'marketing name' based on its visual similarity to the colour of rubies. Such regional names for gemstones are common (e.g., 'Cape ruby' for South African garnet).

A qualified gemologist can distinguish them through tests for hardness, specific gravity, and optical properties. Visually, Colorado rubies (garnets) may have a different red, sometimes with brownish or purplish undertones.

A type of deep red, pinkish-red, or reddish-brown semi-precious stone (a garnet) found in Colorado, USA.

Colorado ruby is usually specialized / technical (geology, gemology, local/regional) in register.

Colorado ruby: in British English it is pronounced /ˌkɒl.əˈrɑː.dəʊ ˈruː.bi/, and in American English it is pronounced /ˌkɑː.ləˈræ.doʊ ˈruː.bi/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • [No common idioms for this specific term]

Learning

Memory Aids

Mnemonic

Think of the COLORADO mountains turning a deep RED (ruby) colour at sunset.

Conceptual Metaphor

REGIONAL IDENTITY AS A GEM (Something valuable and beautiful is mapped onto a specific place).

Practice

Quiz

Fill in the gap
A true is a type of garnet.
Multiple Choice

What is a 'Colorado ruby' primarily known as within gemology?

Practise

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