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Benitoite crystal - Benitoite Gem Mine, San Benito Co., California Benitoite crystal - Benitoite Gem Mine, San Benito Co., California (shortwave UV)
Calcite - Conklin Quarry, Lincoln, Rhode Island Calcite - Conklin Quarry, Lincoln, Rhode Island (midrange UV)
Exogyra costata - Navesink Formation, NJ Exogyra costata - Navesink Formation, NJ (midrange UV)
Isognomon (Tree Oyster) - Miocene - Calvert Beach, Maryland Isognomon (Tree Oyster) - Miocene - Calvert Beach, Maryland (midrange UV)
Kutnohorite - Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa Kutnohorite - Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa (shortwave UV)
Yellow willemite crystals - Franklin, NJ Yellow willemite crystals - Franklin, NJ (shortwave UV)