Copper sulfate

Blue Bengal fire #2 Composition 40 Potassium chlorate 8 Copper sulfate 6 Colophonium	Blue fire composition #7 Composition 8 Potassium chlorate 5 Copper sulfate 3 Shellac 7 Sulfur 4 Hg2Cl2
Blue star #7 Composition 52.17 Potassium chlorate 26.08 Copper sulfate 4.35 Lead chloride 17.4 Sulfur	Davis blue #2 Composition 51 Potassium chlorate 17 Sulfur 26 Copper sulfate 4 Lead chloride 2 Dextrin
Purple fire composition Composition 1 Copper sulfate 1 Potassium chlorate 1 Sulfur	Purple star #1 Composition 36 Potassium chlorate 10 Strontium sulfate 5 Copper sulfate 2 Lead chloride 2 Charcoal 12 Sulfur
Twinkling blue star Composition 23 Magnesium (60 mesh) 60 Ammonium perchlorate 17 Copper sulfate 5 Potassium dichromate

Composition