Tutorial kupas black opal sempur PART 01 #2020

An easy way to peel perfect black opal without damaging the stone with a mini diamond cut. It's important to keep the stone wet to prevent cracking from heat. This video is based on my experience processing/treating bosem. I apologize for any incomprehensible or incorrect words in the explanation of this video. If you have any questions, please write in the comments section. And don't forget to continue supporting this channel by pressing the LIKE & SUBSCRIBE buttons. #perfectblackopal #kalimaya #blackopal #kalimaya #agatestone #gemstone