tourmaline

/'tʌtʃlain/ Cách viết khác : (tourmaline) /'tʌtʃlai:n/ (tourmalin) / tourmalin/

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Word: Tourmaline

Part of Speech: Noun

Simple Explanation:

Tourmaline is a type of mineral. It is made up of different elements like aluminum, iron, magnesium, calcium, lithium, and sodium. While most tourmaline is black, it can also be found in many beautiful colors, which makes it popular for use in jewelry as gemstones.

Usage Instructions:

• When to use: Use the word "tourmaline" when talking about minerals, gemstones, or jewelry.
• How to use: You can use it in sentences to describe the color of a stone or to discuss types of gemstones.

Example Sentences:

1. "She wore a beautiful ring with a green tourmaline stone."
2. "Tourmaline can come in many colors, including pink, blue, and yellow."

Advanced Usage:

In geology or gemology, "tourmaline" can be discussed in more technical terms regarding its formation, crystal structure, and varieties. For example, you might say, "Elbaite and Schorl are two common varieties of tourmaline."

Word Variants:

• Tourmalinitic (adjective): Relating to or containing tourmaline.
• Tourmalinization (noun): The process of forming tourmaline.

Different Meanings:

While "tourmaline" primarily refers to the mineral, in some contexts, it can also refer to the color of the gemstone, such as "tourmaline green," which describes a specific shade of green.

Synonyms:

There are no direct synonyms for "tourmaline" since it is a specific mineral name. However, you might refer to it generally as a "gemstone" in broader discussions.

Related Terms:

• Gemstone: A precious or semi-precious stone used in jewelry.
• Mineral: A naturally occurring substance with a definite chemical composition.

Idioms and Phrasal Verbs:

There are no specific idioms or phrasal verbs associated with "tourmaline," but you could use phrases related to gemstones, such as: - "A diamond in the rough," meaning something valuable that is not yet recognized.

Conclusion:

Tourmaline is a unique and colorful mineral that is cherished for its beauty in jewelry.

Academic

Noun

1. a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones