eu·chlo·rin
| \ yüˈklōrə̇n, ˈyüklər- \
plural -s
Definition of euchlorin
: a mineral (K,Na)8Cu9(SO4)10(OH)6 composed of a basic sulfate of copper, sodium, and potassium found in lava at Vesuvius
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Merriam-Webster unabridged
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