ross·​ite | \ ˈrȯˌsīt\
plural -s

Definition of rossite

: a rare mineral CaV2O6‧4H2O consisting of a hydrous calcium vanadate

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First Known Use of rossite

1926, in the meaning defined above

History and Etymology for rossite

Clarence S. Ross, born 1880 American geologist + English -ite

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The first known use of rossite was in 1926

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