Thread: Just what is Chromium Oxide???

Lapidary supply places carry it, too. It's a common polish for faceters, and is often labled as good for difficult-to-polish metals as well as rock.

Originally Posted by chem_fun

So, what would happen if I order a bit from my chemical supply company. Getting lab grade stuff? Would that be better than any of the other Chromium Oxides out there?

The potential problem with that, is has the lab grade stuff had the same quality control standards for grain size as the lappidary grade stuff?

Originally Posted by chem_fun

Why filter? Grain size? You could dissolve it, spread it out and let it air dry to make a finer "grain." Aren't there instructions for the powders where you add it to water to make a paste?

How solulable is chromium oxide(specificaly Cr2O3)

Sorry if this is changing the thread a bit. Does anyone have 1.0 ChromeOx?

Chromium(III) oxide - Wikipedia, the free encyclopedia