amarillite

noun

am·​a·​ril·​lite

ˌaməˈriˌlīt

plural -s

: a mineral NaFe(SO₄)₂·6H₂O consisting of a hydrous sodium ferric sulfate

Word History

Etymology

probably from French, from Tierra Amarilla, Atacama province, Chile + French -ite

First Known Use

1936, in the meaning defined above

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