botryogen

noun

bot·​ry·​o·​gen

ˈbä‧trēəˌjen

plural -s

: a mineral MgFe(SO₄)₂(OH).7H₂O consisting of a hydrous sulfate of iron and magnesium that is deep red or deep yellow and usually botryoid

Word History

Etymology

German, from botry- + -gen, from Greek -genēs born

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