1 heliophyllite | Definition of heliophyllite

heliophyllite

noun
he·​li·​o·​phyl·​lite | \ ˌhēlēōˈfiˌlīt\
plural -s

Definition of heliophyllite

: a mineral approximately Pb6As2O7Cl4 consisting of oxychloride of lead and arsenic that is apparently dimorphous with ecdemite

History and Etymology for heliophyllite

Swedish heliophyllit, from heli- entry 1 + -phyll + -it -ite

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