variants
or spinelle
1
: a hard crystalline mineral consisting of an oxide of magnesium and aluminum that varies from colorless to ruby red to black and is used as a gem
2
: any of a group of minerals that are essentially oxides of magnesium, ferrous iron, zinc, or manganese
Examples of spinel in a Sentence
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There are many alternatives, including cobalt dioxide and manganese oxide spinel.
—
IEEE Spectrum, 12 June 2012
The auction house amended the origin of the spinel from Sri Lanka to Tajikistan, based on an American Gemological Laboratories report.
—Anthony Demarco, Forbes.com, 13 June 2025
One stunning example featuring ruby root, opals, spinel, and mandarin garnets was reportedly among the first pieces to sell.
—Paige Reddinger, Robb Report, 19 June 2025
The spinels have an approximate total weight of more than 2,000 carats.
—Anthony Demarco, Forbes.com, 18 June 2025
See All Example Sentences for spinel
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IEEE Spectrum, 12 June 2012
The auction house amended the origin of the spinel from Sri Lanka to Tajikistan, based on an American Gemological Laboratories report.
—Anthony Demarco, Forbes.com, 13 June 2025
One stunning example featuring ruby root, opals, spinel, and mandarin garnets was reportedly among the first pieces to sell.
—Paige Reddinger, Robb Report, 19 June 2025
The spinels have an approximate total weight of more than 2,000 carats.
—Anthony Demarco, Forbes.com, 18 June 2025
See All Example Sentences for spinel
Cite this Entry
“Spinel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spinel. Accessed 18 Jul. 2025.
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