heliophyllite

noun he·li·o·phyl·lite \ˌhēlēōˈfiˌlīt\

Definition of heliophyllite

plural

-s

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

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Origin and Etymology of heliophyllite

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


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