“Fluorescence and Phosphorescence A uranium glass marble and a rhomb of calcite respectively fluoresce and phosphoresce on a small shortwave (UVC) ultraviolet light. The uranium glass marble exhibits a yellow-green fluorescence. This type of calcite exhibits blue phosphorescence when stimulated with shortwave UV light: it will continue to glow for a few seconds after the UV source is removed. The marble is about 1.5cm in diameter. Both are transparent under normal light; the calcite is colourless while the marble has a slight yellowish tint. 50mm F/4.0 ISO200 30s”

“Fluorescence and Phosphorescence

A uranium glass marble and a rhomb of calcite respectively fluoresce and phosphoresce on a small shortwave (UVC) ultraviolet light. The uranium glass marble exhibits a yellow-green fluorescence. This type of calcite exhibits blue phosphorescence when stimulated with shortwave UV light: it will continue to glow for a few seconds after the UV source is removed.

The marble is about 1.5cm in diameter. Both are transparent under normal light; the calcite is colourless while the marble has a slight yellowish tint.

50mm F/4.0 ISO200 30s”

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    Fluorescence and Phosphorescence A uranium glass marble and a rhomb of calcite respectively fluoresce and phosphoresce...
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