cyanotrichite

noun

cy·​a·​not·​ri·​chite

ˌsīəˈnä‧trəˌkīt

plural -s

: a mineral Cu₄Al₂(SO₄)(OH)₁₂.2H₂O occurring as a hydrous basic copper aluminum sulfate in bright blue fibrous forms

Word History

Etymology

German zyanotrichit, from zyan- cyan- + Greek trich-, thrix hair + German -it -ite

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