Magnesium should be a fine powdered 325 mesh. It was not an option on the pull down list for chemicals. Magnesium must be treated with potassium dichromate before it can be used safely.
Dampen with denatured alcohol to make cut or pressed stars in a star plate. Prime with a hot prime, like fence post prime. The titanium gives a silver tail to the red star. It can be left out for plain bright red. This is a rapid burning formula with intense red and is perfect for making stars.