Examples of pegmatite in a Sentence
Recent Examples on the Web
The lithium-rich pegmatites in the Appalachian belt formed more than 250 million years ago during the creation of the supercontinent Pangea.
—
Aman Tripathi,
Interesting Engineering,
30 Apr. 2026
Acids can dissolve the pegmatite, similar to how hot water dissolves sugar in a cup of coffee, Simon says.
—
IEEE Spectrum,
11 Feb. 2025
To study potential contamination, researchers collected samples of pegmatite, waste rocks, tailings, groundwater from the mine and surface water from Kings Creek.
—
Tom Rogers,
Newsweek,
25 Nov. 2024
The town’s pegmatites are composed of about 65 percent feldspar, 25 percent quartz, 8 percent mica and trace amounts of other minerals.
—
Olatunji Osho-Williams,
Smithsonian Magazine,
3 Oct. 2024
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Aman Tripathi,
Interesting Engineering,
30 Apr. 2026
Acids can dissolve the pegmatite, similar to how hot water dissolves sugar in a cup of coffee, Simon says.
—
IEEE Spectrum,
11 Feb. 2025
To study potential contamination, researchers collected samples of pegmatite, waste rocks, tailings, groundwater from the mine and surface water from Kings Creek.
—
Tom Rogers,
Newsweek,
25 Nov. 2024
The town’s pegmatites are composed of about 65 percent feldspar, 25 percent quartz, 8 percent mica and trace amounts of other minerals.
—
Olatunji Osho-Williams,
Smithsonian Magazine,
3 Oct. 2024
Cite this Entry
“Pegmatite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pegmatite. Accessed 6 Jul. 2026.
Copy CitationKids Definition
pegmatite
noun
peg·ma·tite
ˈpeg-mə-ˌtīt 
: a grainy variety of granite that occurs in layers in rock
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