Brusho Crystal Colour 15g-Black Colorfin-Brusho Crystal Color These are amazingly versatile watercolor ink crystals that can be used in a myriad of different ways They can be used on paper&#44; canvas or even wood Sprinkle them directly on a wet substrate and watch intriguing organic patterns appear almost like magic Or sprinkle on a wet brush&#44; painting knife&#44; or texture tool to create a variety of effects