Spray the back once with water and see if it's absorbent. If it drinks that would rule out a Coticule. Looks man made to me. I've had 3 00's and they all had irregular borders.
Spray the back once with water and see if it's absorbent. If it drinks that would rule out a Coticule. Looks man made to me. I've had 3 00's and they all had irregular borders.
Congratulations, thanks for sharing, it's the best stone ever.
Mike