am·​herst·​ite | \ ˈamərˌstīt \
plural -s

Definition of amherstite

: a plutonic syenodiorite rock whose feldspar is andesine-antiperthite

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First Known Use of amherstite

circa 1913, in the meaning defined above

History and Etymology for amherstite

Amherst county, Virginia, its locality + English -ite

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The first known use of amherstite was circa 1913

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Cite this Entry

“Amherstite.” Dictionary, Merriam-Webster, Accessed 2 Mar. 2021.

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