Cerium Oxide Polish - The Rock Shed

Cerium Oxide -  High quality 85% pure, optical grade Cerium is excellent for polishing glass.  It is one of the best all purpose polishes;  Cerium will polish quartz, agate, opal, obsidian and other softer materials. 

History Of Andamooka Opal and How To Treat It

Help! Cerium oxide left residue on my obsidian! : r/Lapidary

Cerium (Ce) AMERICAN ELEMENTS ®

Rock Tumbling Practicalities – TumbleStone

Silicon Carbide Grit and Accessories for Rock Tumblers

Here's an update on my stage 3 Lake Superior and rose quartz

Grinding husk off agate nodule to expose bands // CabKing Lapidary

Fundamental Rockhound Products: Standard Tumble Polish for Rocks and Glass, Aluminum Oxide (1 lb)

Silicon Carbide Grit and Accessories for Rock Tumblers

JESCO Cerium Oxide and Tin Oxide Polish Combo : Toys

Alternative to Aluminum Oxide Powder for Fine Polishing

Rock Tumbling and Polishing Group

From an Industry Leader 3 Pound Bag Simple to use Applies with a damp cloth Perfect for commercial and industrial applications

Tin Oxide Polishing Compound - 3lbs.