black opal

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Word: Black Opal

Definition: A black opal is a type of gemstone that is dark in color, often black or dark gray, and has beautiful internal reflections or flashes of colors like green, red, or blue. These reflections make black opals very valuable and sought after.

Usage Instructions:

• Part of Speech: Noun
• Countable/Uncountable: Countable (you can say "one black opal," "two black opals")
• Context: You might use "black opal" when talking about jewelry, gemstones, or when discussing precious stones in general.

Example Sentence:

• "She wore a stunning necklace with a black opal that sparkled with green and red hues."

Advanced Usage:

• In jewelry design, black opals are often set in gold or silver to enhance their colors.
• Gemologists may examine black opals to determine their quality based on color play and clarity.

Word Variants:

• Adjective Form: Black (as in "black opal jewelry")
• Related Noun: Opal (the broader category of gemstones that includes black opals)

Different Meanings:

• Opal (General Meaning): An opal can refer to any type of opal gemstone, which can vary in color from white, yellow, to black.

Synonyms:

• There are no exact synonyms for "black opal," but you can refer to it generally as a "dark opal" or "black gemstone" in certain contexts.

Idioms and Phrasal Verbs:

• There are no specific idioms or phrasal verbs that directly relate to "black opal." However, you might hear phrases like "to have a heart of gold" or "to strike it rich," which can be used metaphorically when talking about precious items.

Summary:

A black opal is a beautiful and valuable gemstone known for its dark color and colorful flashes. It is commonly used in jewelry and is appreciated for its unique appearance.

Academic

Noun

1. a dark colored opal with internal reflections of green or red