kaolinite
noun
ka·o·lin·ite
ˈkā-ə-lə-ˌnīt 
: a white mineral consisting of a hydrous silicate of aluminum that constitutes the principal mineral in kaolin
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Perseverance discovers bleached rocks on red planet The bleached rocks discovered by the Perseverance rover analyzed in the recent study are white, clay-rich kaolinite fragments that are commonly found on Earth.
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Eric Lagatta, USA Today, 4 Feb. 2026
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Eric Lagatta, USA Today, 4 Feb. 2026
Cite this Entry
“Kaolinite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kaolinite. Accessed 14 Feb. 2026.
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