It’s good but not hilariously better than decent chalk.
I find that because of the coating you have to pick a side that you’re going to write with, and this small amount of mental energy is a small roadblock. It also seems shorter than regular chalk, although this could just be that the pieces I use are used frequently!
Specifically Hagoromo chalk, I think
I've always hated whiteboards; when I leave something up on my chalkboard for a few days/weeks, I can still erase it. If I need more cleaning, water works. I don't need some foul smelling, expensive, concoction to clean the damn thing. (Yes, I know the "tricks" of toothpaste or drawing over the stains; the latter counts as "foul smelling, expensive", however.)
Any dust that gets on my clothes (never happens, but a common complaint), is removed with my hand easily enough.
---
You mean not having messy hands after writing on a blackboard is a thing? You mean my whole life was a lie?
Most likely yeah. I remember reading here about the fairytale that is Japanese chalk and that US professors were hoarding it. I assume it must feel orgasmic.
We didn't have that kind of opulence in Eastern Europe. Chalk and blackboards here sucked ass, including the cleanup process students were responsible for. Schools switched to whiteboards and markers ASAP.
Although much easier to maintain, whiteboards and markers have shitty contrast, especially if light or reflections hit them at the wrong angle. Matte blackboards were much better at absorbing light and unwanted reflections which I guess is why they're still used today.