Black powder-metal fire dust compositions

When a metal powder is contained in a black powder type composition, it creates fire dust or sparks of special beautiful effect. It may come from the Senko Hanabi effect. 

Silver wave chrysanthemum Potassium nitrate Sulphur Pine charcoal 

It produces a strange fire dust which looks as if red, yellow and green twinkling fire particles were mixed together. 

Winokur proposed many formulae which produce superior effects as follows(Robert M. Winokur The pyrotechnic phenomenon of glitter, Pyrotechnica, No.2, February, 1978)  

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