plural -s
: a mineral PbCa2(SiO3)3 consisting of a lead calcium silicate occurring in colorless lamellar masses

Word History


Greek margaron pearl + sanis board + English -ite; from its pearly luster and lamellar structure; probably akin to Greek sathē penis, sainein to wag the tail, Old English thūma thumb

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Dictionary Entries Near margarosanite

Cite this Entry

“Margarosanite.” Dictionary, Merriam-Webster, Accessed 18 Jun. 2024.

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