Here are some new angles on making blue, green, and other fireworks stars using copper powder. Through the years I've collect some interesting firework star pyrotechnic formulas, which you can see below. But even more interesting are the green firework star pyrotechnic formulas. Particularly interesting to me were the blue fireworks star and strobe pot pyrotechnic formulas developed by Clive Jennings-White some years ago. According to Clive’s article, it appears the atomized powder we sell is particularly well suited to the strobe applications. He reports that finer, or flake copper powders do not strobe as well in his pyrotechnic formulas....