How To Grow Colored Crystals How Can I Grow Colored Crystals?

How can I grow colored crystals? - how to grow colored crystals

I have seen some recipes with alum, and I do not even know what it is. Does anyone know a recipe for growing crystals? I want to die, including my own color. In addition, if an ingredient is not something the average person knows, please explain what and where I can get it.