Calcite
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, www
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 |