Strontium Nitrate- do not confuse with radioactive Strontium-90. The former substance was used in Distress flares which were known to have been in the households of the Romanovs. These give off a dense Lavender or purplish light and smoke screen as well. I am surprised but this is a historical topic- what with the interest in Anastasia.
yes there are minerals in fireworks
I don't know so turn of your computer.
potassium
Magnesium
what mineral are used to make colors or special effects
Calcium
yes there are minerals in fireworks
strontium
Magnesium
Lavender oi is extracted from Lanabdula sica or other varieties.
Barium and Antimony -Mike in NJ
Potassium permanganate (KMnO4) gives a hue that I would't call exactly lavender (because it is purple)...
a mixture of titanium, zirconium and magnesium alloys
I don't know so turn of your computer.
antimony
antimony
Copper is used to make a blue firework!