dawsonite

noun

daw·​son·​ite

ˈdȯsᵊnˌīt

plural -s

: a mineral NaAl(CO₃)(OH)₂ consisting of a basic aluminum sodium carbonate occurring in white bladed crystals (specific gravity 2.40)

Word History

Etymology

Sir John W. Dawson †1899 Canadian geologist + English -ite

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