The final version of the pic is complete, with considerably more effort than I had intended, but there you go. I wanted the chalkboard and the attached notes to look like Taeko and her collaborator Ruby were puzzling things out and even going back and forth on a few issues. Everything in white chalk is drawn up by Taeko while the pink chalk is Ruby's input.

The two eventually succeed at stabilizing and refining Saharite, making it the first known piece of manufacted Saharite that can be handled by people without any ill effects...Saharite of course being the form magic takes in some places when it crystalizes into formations in the wilderness. It's usually very dangerous and has been known to cause mutations in those exposed to it for too long.