Gravity dust

Properties
Section	Powders
Spawn temperature	22°C
Heat Conductivity	28%
Relative weight	85
Gravity	0
Acid dissolve rate	3%
Flammability	10
State	Powder
Source code

It is a very light flammable dust, which changes its color and flare based on velocity. GRAV does not fall, but is affected by air and Newtonian gravity.