In this video, I take a piece of seam opal from Coober Pedy, S.A., Australia.and try to find the color. This opal has some features like those of Lightning Ridge black opal, but rather than black, the background is gray. I will attempt to make a nice gemstone for a piece of jewelry.

Table of Contents

01:27 - How to Start Grinding with Seam Opal
03:19 - Exposing the front side.
07:08 - Shaping Opal Cabochon
07:32 - Sanding and Polishing
08:10 - Grinding Opal as a Blank for Knapping
08:48 - Knapping an Arrowhead
09:51 - The Final knapped projectile point
10:00 - The Final Opal Cabochon
10:44 - Giveaway Winners announced
11:14 - New Giveaway Rules