I found a strange rock at my school and it turned into dust when i touched it.

neat

>>631510
you broke a piece of obsidian? neat.
>>>/goybook/

>>631510

looks like plastic shavings desu, is it wet?

>>631519
Possibly wax

Could it be stained dirt?

>>631568

sure!

>>631510
You're at school, ask your fucking science teacher.

It's wax.

almost certainly 'sbestos anon. get away.

>>631510
Crystallized Vitamin A. Tastes funny by itself but if you mix it with a drink like orange juice or lemonade it is a good way to get some extra nutrition. Great for your skin.

I used to find crystals like that when I was a TA in a Chemisty lab.