If you would like a lot of color in your geode, more of a rainbow of colors rather than a more subtle one or two color scheme, then this may be the effect you might be after. MKL GRM Fine Art goes all out with his first resin geode piece.
Looking for materials? I have a lot of project ideas and materials lists on my ‘kit’ page which could help you find what you need. Look for materials and inspiration here on Kit.