Alleghanyite

noun
Al·​le·​gha·​ny·​ite | \ˌaləˈgānēˌīt\
plural -s

Definition of Alleghanyite 

: a mineral consisting of a pink basic silicate of manganese Mn5Si2O8(OH)2

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First Known Use of Alleghanyite

circa 1939, in the meaning defined above

History and Etymology for Alleghanyite

Alleghany county, North Carolina + English -ite

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The first known use of Alleghanyite was circa 1939

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