I visited the Staten Island Museum today, and discovered they have one of the best displays of fluorescent minerals I have seen.
Fluorescent rocks under ordinary visible light. From the display at the Staten Island Museum
IMG_8311cr by
old_tv_nut, on Flickr
Fluorescent rock under shortwave ultraviolet light. Green spots of upper center rock are willemite, the "P1" phosphor used originally in radar scopes and color TV picture tubes (CRTs). From the display at the Staten Island Museum.
IMG_8323cr by
old_tv_nut, on Flickr
Fluorescent rock under longwave ultraviolet light. Green spots in the upper center rock are willemite, the "P1" phosphor used originally in radar scopes and color TV picture tubes (CRTs). From the display at the Staten Island Museum.
IMG_8324cr by
old_tv_nut, on Flickr
Fluorescent rock under combined shortwave and longwave ultraviolet light. Green spots in the upper center rock are willemite, the "P1" phosphor used originally in radar scopes and color TV picture tubes (CRTs). From the display at the Staten Island Museum. When the combined long and shortwave UV is turned off, the rock at the lower right shows a decaying phosphorescence of several seconds visibility.
IMG_8326cr by
old_tv_nut, on Flickr
Closeup of the Willemite under shortwave UV:
IMG_8320cr by
old_tv_nut, on Flickr
Closeup of the Willemite under longwave UV:
IMG_8316cr by
old_tv_nut, on Flickr