N,N-DMT often forms crystals. But it can also form a number of colors and consistencies, even when pure. Crystalline, wax, goo. And it can turn from white/colorless->yellow->orange->amber->reddish over time. Heat and air exposure accelerate this color change. Still just N,N-DMT though. It doesn't ga... View MoreN,N-DMT often forms crystals. But it can also form a number of colors and consistencies, even when pure. Crystalline, wax, goo. And it can turn from white/colorless->yellow->orange->amber->reddish over time. Heat and air exposure accelerate this color change. Still just N,N-DMT though. It doesn't gave to do with purity.