Manganoan calcite under UV light. 13.5 x 10.5 x 10.1 cm, Huanggang Mines, Keshikteng, Ulahad Bnner, Inner Mongolia A.R., China. © Rob Lavinsky, www.iRocks.com. Used with permission.
Translucent Red Glow in the dark Calcite Specimen from China
Manganoan calcite under UV light. 13.5 x 10.5 x 10.1 cm, Huanggang Mines, Keshikteng, Ulahad Bnner, Inner Mongolia A.R., China. © Rob Lavinsky, www.iRocks.com. Used with permission.
Article: What is Gemstone Luminescence?
Credit: Rob Lavinsky
| Gemstone | Calcite |
| Natural or man made | Natural |
| Origin | China |
| Origin details | Huanggang Mines, Keshikteng, Ulahad Bnner, Inner Mongolia A.R. |
| Height | 135 |
| Width | 105 |
| Depth | 101 |
| Gem State | Specimen |
| Color | Red |
| Transparency | Translucent |
| Photo phenomena | Glow in the Dark |