Crystals Help

I just started to grow crystals and my purple crystal is now growing black. Anybody know why???

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How exactly are you growing crystals?

You're growing crystals? =|

Natural crystal is made from elements that have formed within the earth, the crystals you can grow are most commonly made out of a substance called Alum and are the result of evapotation removing water from a solution, leaving crystals.

Because of this, unless someone here specifically has knowledge on growing crystals from Alum and the problems you may come across, i'm not sure we can help much.

It may be that during evaporation the colourant is intensifying due to the loss of water, turning the "crystals" a very deep shade of purple, almost black.

However more information on what kind of crystals you are growing and how you are growing them would be appreciated so we can offer more assistance.

Its technically a kids kit but you can still grow them