barbertonite

noun

bar·​ber·​ton·​ite

-tᵊnˌīt,

-təˌnīt

plural -s

: a mineral Mg₆Cr₂(OH)₁₆(CO₃)‧4H₂O consisting of a hydrous basic carbonate of magnesium and chromium

Word History

Etymology

Barberton + English -ite

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