Coal

Properties
Section	Solids
Spawn temperature	22°C
Heat Conductivity	80%
Relative weight	100
Gravity	0
Acid dissolve rate	2%
Flammability	0
State	Solid
Source code

Coal, Burns very slowly. Gets red when hot.

Coal does not turn to FIRE instantly, like other flammable elements. When a coal particle is next to fire, its life value will start decreasing. Once it drops below 100, the coal will start releasing fire, and when its life is 0, it disappears. Coal starts turning red, pink, and then white when heated. When it is cooled down, it will continue to be light grey. Coal does not ignite at high temperatures like other elements, it requires , , or to start burning.

Also turns into WOOD when in contact with NEUT.

Coal turns(breaks) into at a pressure of 4.3, after 40 frames.