sinhalite

noun
sin·​ha·​lite | \ ˈsin(h)əˌlīt\
plural -s

Definition of sinhalite

: a mineral consisting of a magnesium aluminum borate that is structurally related to olivine and is occasionally used as a gem

History and Etymology for sinhalite

sinhal- (as in sinhalese) + -ite; from the fact that the gemstones identified as sinhalite came from Sri Lanka

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