Add the water, salt and vinegar to the stockpot and bring it to a rolling boil. … Stir in the fabric dye of your choice. … Drop the geode rock into the dye water solution. … Remove the newly dyed rock from the solution and rinse it with cool water until the water runs clear from it.

How is a geode dyed?

The same minerals that form crystals can give them their glorious colors. … Iron will give crystals a red or purple color, titanium will create blue, nickel or chromium leads to green, and manganese produces pink crystals. While geodes can be naturally colorful some are artificially dyed.

How do they dye stones?

The Dying Process After the stones are tumbled they are placed in vats of dye and allowed to soak for up to several weeks. That amount of time allows the dye to penetrate the stone and produce uniform surface color.