Answer:
Mineral elements provide the color in fireworks. Barium
produces bright greens; strontium yields deep reds; copper
produces blues; and sodium yields yellow. Other colors can
be made my mixing elements; strontium and sodium produce
brilliant orange; Titanium, zirconium, and magnesium alloys
make silvery white; copper and strontium make lavender. Gold
sparks are produced by iron filings and small pieces of
charcoal. Bright flashes and loud bangs come from aluminum
powder.