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Opal, Opal Butte, Morrow Co., Oregon Opal, Opal Butte, Morrow Co., Oregon (shortwave UV)
Fluorite, Polly Ann Mine, Duncan, Arizona Fluorite, Polly Ann Mine, Duncan, Arizona (longwave UV)
Smithsonite, hydrozincite, willemite, Miller Canyon, Arizona Smithsonite, hydrozincite, willemite, Miller Canyon, Arizona (midrange + shortwave UV)
Powellite, Pune, formerly Poona, India Powellite, Pune, formerly Poona, India (MR, SW UV)
Calcite var. manganocalcite, Wessels Mine, Kalahari Manganese Field, Cape Prov., South Africa Calcite var. manganocalcite, Wessels Mine, Kalahari Manganese Field, Cape Prov., South Africa (midrange, shortwave UV)
Calcite, Brewster Co., Texas Calcite, Brewster Co., Texas (midrange, shortwave UV)
Chalcedony, Hidalgo Co., New Mexico Chalcedony, Hidalgo Co., New Mexico (shortwave UV)
Longwave case made from audio cabinet Longwave Case made from audio cabinet (longwave UV)