millisite

noun

mil·​lis·​ite
ˈmilə̇ˌsīt
plural -s
: a mineral (Na,K)CaAl6(PO4)4(OH)9.3H2O consisting of a basic hydrous phosphate of sodium, potassium, calcium, and aluminum

Word History

Etymology

F. T. Millis, 20th century American mineral collector + English -ite

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Dictionary Entries Near millisite

Cite this Entry

“Millisite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millisite. Accessed 25 Nov. 2024.

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