These yellow diamonds fluoresce magenta or green under UV light. When the UV light is turned off, they phosphoresce a soft green color afterwards. Diamonds phosphorescing (crystals approximately 1 to 1.5 mm in size), Democratic Republic of the Congo. Photo by James St. John. Licensed under CC By 2.0.
Green Glow in the dark Diamond Rough from Congo democratic republic
These yellow diamonds fluoresce magenta or green under UV light. When the UV light is turned off, they phosphoresce a soft green color afterwards. Diamonds phosphorescing (crystals approximately 1 to 1.5 mm in size), Democratic Republic of the Congo. Photo by James St. John. Licensed under CC By 2.0.
Article: What is Gemstone Luminescence?
Credit: James St. John
| Gemstone | Diamond |
| Natural or man made | Natural |
| Origin | Congo, Democratic Republic of the (Zaire) |
| Gem State | Rough |
| Color | Green |
| Transparency | Transparent |
| Photo phenomena | Glow in the Dark |