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ceruleite

noun ce·ru·le·ite \ sə̇ˈrülēˌīt \
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Definition of ceruleite

plural -s
: a mineral CuAl4(AsO4)2(OH)2.4H2O consisting of a hydrous copper aluminum arsenate occurring in turquoise-blue microcrystalline masses (specific gravity 2.80)

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Origin and Etymology of ceruleite

French céruléite, from cérulé cerulean (from Latin caeruleus) + -ite

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