Dear all,,

We have found one stone in beach which is white colored, it is lightning in brown colour like a radium in dark place, asa we introduce a light near to this stone , the stone stop its lightning.

Can you tell me what is this stone, if you know correctly

Its now for sale

Thanks

Post photos of it or mail so can help you better. It may be a gallstone of some fish or deep sea creature/animal.

Try bud test on it if its positive then might have sum worth.