Thank you very much to Wim, geologists, GIA organization and all the contributors to this video! It’s an excellent knowledge sessions! Look forward to many more of these videos. I learned a lot and would continue to share what I learn. Thanks again!
Great content but you did mot mention Mozambique, I am sure deserve place in among this country. By the way we have four Rubies mining for you consideration in Mozambique.
I m cutting on a grinder using a 220 grit wheel .I am cutting a 50 carret stone . It cut in a cab .I used a 400 , grit to a 600 grit . To 1200 grit what would you recommend. To use next.
Thank you very much to Wim, geologists, GIA organization and all the contributors to this video! It’s an excellent knowledge sessions! Look forward to many more of these videos. I learned a lot and would continue to share what I learn. Thanks again!
I appreciate it! Thank you guys for your good job 👍 😊
Very informative presentation. It is great to hear both a bit of the history and science surrounding rubies from various locations.
Refreshing
Great video, good job Wim.
Thank You
Great content but you did mot mention Mozambique, I am sure deserve place in among this country. By the way we have four Rubies mining for you consideration in Mozambique.
Thank you , an excellent overview
Great experience 👍👍👍👍
Thanks for this informative Video. Appreciate it.
Thank you!
Hi Wim,
I'm Kim...Can Borax during the heating process, cause gas bubbles in the corundum fractures it's healing?
Do next in headed on treat ment from Indiana . Have a good day.
i have several rough diamond , i shall send some sample in picture to idenrify. if you allow me.
I m cutting on a grinder using a 220 grit wheel .I am cutting a 50 carret stone . It cut in a cab .I used a 400 , grit to a 600 grit . To 1200 grit what would you recommend. To use next.
1200 to 3000 to 30,000 to 50,000 and if your real good 100,000 diamond pwd.
What is PWD sir?
🙏 🙏 🙏
If you don't know what a rough pigeon blood Ruby is then you guys don't know much of the real thing.