An extremely rare mineral containing copper, iodine, and silver, found only in a few mineral deposits worldwide.
From Latin 'cuprum' (copper) combined with 'iodine' and 'argentum' (Latin for silver via 'argyrite'), using the mineral suffix '-ite'.
Cuproiodargyrite is so vanishingly rare that only a handful of specimens exist in museums worldwide—it's the kind of mineral that makes geologists spend years hoping to find just one perfect crystal.
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