Netherrack Dust
Netherrack Dust grinded from 
Netherrack using either 
Grinder or 
Industrial Grinder. Also Netherrack Dust could be crafted from 4x
Small Pile Of Netherrack Dust on the 
Crafting Table.
It could be used in 
Industrial Centrifuge to get 
Redstone, 
Sulfur Dust, 
Coal Dust and 
Gold Nugget