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Many, many... many thanks Matt321 for that link.

Making barber hones may sound like “reinventing the wheel” but if there weren’t innovative people “reinventing the wheel”… we would still be driving the Model-T.

If you browse through “The Forge”…...

Randy, of you could find those notes about the binders that would be great...

Been experimenting with various binders, getting some encouraging results... but the 9-5 has slowed me down for now.
...

That sounds about right; there is no need for the cement to be "fine grain" for the purpose it’s commonly used.
Though we could separate the finer particles using the tank settling method.

If I...

And also the grit size proportional to the price.

If I am not mistaken they used to separate different grit sized by mixing the “sludge” in a tank of water, they let it stand for some time, the...

Thanks, i understand its toxic. I wonder what effect it would have in a hone for a razor to be put on the face? Maybe a good wash of the blade before stropping.

I still believe that very fine clay...

"operating in almost complete darkness"... sounds like voodoo...
Seriously though, Bichromate of Potash was used in early photography... and the final instructions says "dry by exposure to the sun"...

Hmmm fast cutting hone?, 80% CrO2 sounds a bit high even for shellac... but then i may not know enough about shellac to comment.
If you ever try again please let us know...
I too am thinking abut...

Shellac... I think they use it with fine abrasive when polishing armature telescope mirrors.. its been a long time and my memory may be fading so don't quote me on that.

Of course they "forgot" to mention what the binder was. Norton and many other companies have there “secrets” for making products, who’s to say they don’t use some ”special” blend of refined clays...

And of course there are many different types of clay out there.
Look at the Swaty.

I suppose if its hard then it should be great for a hone.
But seriously you can "adjust" the mix of abrasive to clay... less clay, more likely the clay will "brake off" to expose fresh abrasive.

It seems simple enough, check out clay pottery.
People do this kind of thing every day (firing clay/ceramic artwork).

If you mix the right kind of clay with the abrasive, shape to size, fire up...