Making a Rock Sphere - Grinding, Shaping and Polishing
23:20
Sphere Making Basics - How to Make a Moss Agate Sphere
20:54
Sphere Cups, How to Make Them REVISED
12:29
What's the Better Rock Polishing Machine?
22:58
Using the Wrong Tool to Balance a Grinding Wheel
33:34
TOOL & CUTTER GRINDING .
10:01
Making Spheres from my BC Gem Stones.
11:02
Hypnotic Way They Produce Perfect Steel Sphere From Scratch in China
19:25