Рет қаралды 99,151
This is a story about a 7.7 oz black opal chunk from Coober Pedy, South Australia. I cut and polish this stone and make cabochons and an arrowhead. Also, o 68 carat brilliantly colored piece of Ethiopian rough opal is examined, cut, drilled and made into a beautiful gem -- for GIVEAWAY, along with 3 polished pieces of black opal.
Diamond lapidary wheels:
Company name: Baltic Abrasive Technologies.
www.baltic-abrasives.com
E-shop: www.lapidarywheels.com