(sorry if this isnt the official perfect form of suggestion, it was just a little idea in the back of my head.)

GPHT / GRPT / GRPH

Graphite

Solid, but breaks easily. Marks any particles that touch it the same color it is.

In powder form, will mark its color along the surface it goes on, like a pencil in real life. Average weight, and would pile up the way concrete and clay dust do.

Solid and Powder forms melt at around 3500 celsius, or 3773 degrees kelvin. In tpt, just to make it a bit better, i would put it at 4000.

I couldnt find any exact info on when it turns gas, or if it even does, so you can decide or do more research than i did

I realize that this is similar to bizarre, but without the strange state changes.

Slightly conductive

Uses: Not much, just wanted to see what other people thought. Maybe you could make a pencil with pistons and frames that draw on a surface? Also, since it is easily breakable but has a fairly high melting point, it would allow for some nice breakable buildings and bomb casings.

Let me know what you think, but be constructive plz.

EDIT: The picture for what the default color would be is broken. In paint, the SAT is 0 and the LUM is 72. Also, i forgot to mention it colors what the graphite color is, DECO colors included.

I didnt do much research on graphite, nor did i know much about it other than its melting temp, how it is soft, and why i always return home with my hands covered in gray. But, you guys just made my suggestion a whole lot more reasonable! Thx :D