How is is lignite extracted?

Lignite is often referred to as brown coal, or Rosebud coal by Northern Pacific Railroad, a lowest rank of coal and used almost exclusively as fuel for steam-electric power generation

With a really long needle, lol

It is mined, and extracted from: pyrolusite (MnO2), braunite (Mn2+Mn3+6SiO12), psilomelane (Ba(Mn2+)(Mn4+)8O16(OH)4), and to a lesser extent as rhodochrosite (MnCO3). The ore is processed similarly...

Neon is extracted by liquefying the air.

Calcium is extracted from one of its own compounds because it is not found by itself in nature. The process that it used to extract it is still the same as it was when a German scientist discovered...