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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Merriam-Webster unabridged
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Time Traveler for Alleghanyite
The first known use of Alleghanyite was circa 1939
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