phosgenite

noun

phos·​gen·​ite

ˈfäzˌjēˌnīt,

-jəˌn-

plural -s

: a mineral Pb₂Cl₂CO₂ consisting of lead chloroformate occurring in tetragonal crystals of a white, yellow, or grayish color and adamantine luster (hardness 3, specific gravity 6.0–6.3)

Word History

Etymology

German phosgenit, from phosgen phosgene + -it -ite

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