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Willemite, calcite Sterling Hill Mine, Ogdensburg, New Jersey |
Willemite, calcite Sterling Hill Mine, Ogdensburg, New Jersey (shortwave UV) |
Willemite, calcite Sterling Hill Mine, Ogdensburg, New Jersey (shortwave UV) |
Willemite, calcite Sterling Hill Mine, Ogdensburg, New Jersey (shortwave UV) |
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Uraninite, autunite Ruggles Mine, Grafton, New Hampshire |
Uraninite, autunite Ruggles Mine, Grafton, New Hampshire (shortwave UV) |
Thorite Kemp Uranium Mine, Cardiff Township, Ontario, Canada |
Thorite Kemp Uranium Mine, Cardiff Township, Ontario, Canada (shortwave UV) |
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Svabite Långban, Värmland, Sweden |
Svabite Långban, Värmland, Sweden (shortwave UV) |
Sulfur, aragonite Girgenti, Sicily |
Sulfur, aragonite Girgenti, Sicily (longwave UV) |
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Fluorapatite crystals, martite Twin Peaks, Kanosh, Utah |
Fluorapatite crystals, martite Twin Peaks, Kanosh, Utah (shortwave UV) |
Chalcedony, calcite Sioux County, Nebraska, across border from Ardmore, South Dakota |
Chalcedony, calcite Sioux County, Nebraska, across border from Ardmore, South Dakota (shortwave UV) |
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Barite, calcite Sterling Hill Mine, Ogdensburg, New Jersey |
Barite, calcite Sterling Hill Mine, Ogdensburg, New Jersey (shortwave UV) |
Celestite Maybee, Michigan |
Celestite Maybee, Michigan (midrange UV) |
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Calcite Raurau, Peru |
Calcite Raurau, Peru (shortwave UV) |
Boulder opal Naica Mine, Saucillo, Chihuahua, Mexico |
Boulder opal Naica Mine, Saucillo, Chihuahua, Mexico (shortwave UV) |