eucairite
noun
eu·cai·rite
\yüˈkīˌrīt, -kā-\
variants: less commonly
eukairite
\yüˈkīˌrīt, -kā-\Definition of eucairite
-s
: a mineral CuAgSe composed of a grayish metallic-looking copper silver selenide (specific gravity 7.50)
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Origin and Etymology of eucairite
Swedish eukairit, from Greek eukairos seasonable, opportune (from eu- + kairos time, season) + Swedish -it -ite; from its being found soon after the discovery of selenium
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