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Greenockite from
NW1-4W2Greenockite CdS , Sphalerite ZnS , Baryte BaSO4
Washington County Aggregates Quarry, Washington County, Missouri, USADimensions: 6.2 cm x 4.9 cm x 3.3 cm
A crust of earthy greenish-yellow greenockite is on dark sphalerite crystals, all on a white baryte matrix. As of June, 2017 very few specimens have been recovered from this quarry that have greenockite on them.
