I don't know if there's a name, but you're not alone. I f$%*ing hate chalk, so much that I started avoiding math classes at my school. Both the sound it makes a

I don't know if there's a name, but you're not alone. I f$%*ing hate chalk, so much that I started avoiding math classes at my school. Both the sound it makes and the feeling of it as you mention. Just thinking about it makes my skin crawl. We're not crazy though. Just look at what chalk looks like under the microscope to see what your fingers are picking up on: https://www.google.com/search?q=chalk+microscope https://www.google.com/search?q=chalk+microscope Edit: maybe it's a tactile version of trypophobia? (trigger warning if you image search the term...)