petalite

[ pet-l-ahyt ]
/ ˈpɛt lˌaɪt /

noun

a mineral, lithium aluminum silicate, Li(AlSi4O10), occurring in colorless or white foliated masses: an important source of lithium.

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Origin of petalite

From the German word Petalit, dating back to 1800–10. See petal, -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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