Producing Phosphor (P)

P: Phosphor

Abundance: 1120ppm(in the earth's crust)

Mixes and heats apatite, quartz sand, and cokes.

3Ca3(PO4)2 + 6SiO2 + 10C 6CaSiO3 + 10CO + P4

Condense P in water (white phosphorus), as P ignite naturally.

Leave it in water for long time (red phosphorus).