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hyalophane

noun
hy·​al·​o·​phane | \ hīˈaləˌfān\
plural -s

Definition of hyalophane

: a mineral BaAl2Si2O8 consisting of a monoclinic feldspar isomorphous with and resembling adularia

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History and Etymology for hyalophane

German hyalophan, from hyal- + -phan -phane

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