The National Gem and Jewellery Authority said that, a rare crystal gem stone weighing around 22kg has been found in a mine in Dehiyagala in Avissawella.
It was reported that this rare gem stone had a high value as it contained a water bubble. The gem is said to weigh over One hundred thousand carats.
The National Gem and Jewellery Authority sources said the merchant value of this crystal gem is still being assessed.