Rock Tumbling: mahogany obsidian in lortone and lot-o from start to finish polish
29:54
Rock Tumbling: obsidian from rough to polish in lortone and lot-o tumbler
22:53
How to Tumble Obsidian in a Rotary Rock Tumbler! A Step-by-Step Guide from Start to Finish!
9:03
Making a Knapped Stone Spear Head From Mahogany Obsidian
11:56
From Raw to Royal - Cutting Baltic Amber
14:19
Polishing FOUR Obsidian pieces for a Customer
34:58
Rock Tumbling: Desert jasper all rotary from course to polish. Will it shine???
6:48
Cutting Mahogany Obsidian 
8:11