Of all the minerals in this skarn, only scheelite is visible under UV light. Scheelite fluoresces bright blue under SW. Photo by James St. John. Licensed under CC By 2.0.
Opaque Blue Glow in the dark Scheelite Specimen
Of all the minerals in this skarn, only scheelite is visible under UV light. Scheelite fluoresces bright blue under SW. Photo by James St. John. Licensed under CC By 2.0.
Article: Ultraviolet Testing and Gemstone Identification
Credit: James St. John
| Gemstone | Scheelite |
| Natural or man made | Natural |
| Gem State | Specimen |
| Color | Blue |
| Transparency | Opaque |
| Photo phenomena | Glow in the Dark |