There are moreover many properties common to colloidal solutions and suspensions of fine powders, such as kaolin, mastic, charcoal, or Indian ink.
"The Mechanism of Life"
Stéphane Leduc
For the final polishing, a little infusorial earth or even kaolin will do.
"Laboratory Manual of Glass-Blowing"
Francis C. Frary
Dick said it was a jolly shame, and Arthur considered it to be a nuisance; but Mr Temple told them it was for their benefit, and to make them more useful to him in time to come, so they had to go to a great school for the next two years, at the end of which time the kaolin works were in full swing, and Mr Temple, as he never forgot to say, thanks to Will Marion, on the high road to fortune.
"Menhardoc"
George Manville Fenn