eucolite

noun eu·co·lite

variants: or less commonly eukolite or eukolyte \ˈyükəˌlīt\

Definition of eucolite

plural -s

: a mineral similar to eudialyte but optically negative

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Origin and Etymology of eucolite

German eukolit, from Greek eukolos easily satisfied + German -it -ite; from a conception that its difference in composition from woehlerite is a disadvantage that it has to endure