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Barite from Hartsel, Park County, Colorado
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Calcite on busycon sp. Rucks' pit, Okeechobee County, FL
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Calcite on busycon sp. Rucks' pit, Okeechobee County, FL
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Barite from Hartsel, Park County, Colorado
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pyrite in Pyrophyllite with Chloritoid from Standard Mineral Co. Quarry, Glendon, Moore County, North Carolina
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