Crystal Geodes
Create stunning crystal geodes from ordinary eggshells using simple ingredients and a fun, educational process about crystallization.
Ingredients
For the crystal geodes
- 6 pcs Clean eggshells (shells from 6 eggs)
- 1 cup Hot water For mixing with Epsom salt or borax.
- 1/2 cup Epsom salt or borax Use one or the other for crystal making.
- various Food coloring Use various colors for custom designs.
- White glue For coating the interior of the eggshells.
- Small bowls or containers For mixing the crystal solution.
- Paintbrush For applying glue inside the eggshells.
- Baking tray To hold the eggshells while drying and setting.
- Wax paper or parchment paper To line the baking tray for cleanliness.
- Water For mixing with Epsom salt or borax.
Instructions
Preparation
- Rinse the eggshells thoroughly to remove any residue. Carefully crack the shells, ensuring that they are in two halves.
- Place the shells on a baking tray lined with wax paper to dry completely.
Making the Crystal Solution
- In a small bowl, combine 1 cup of hot water and 1/2 cup of Epsom salt or borax. Stir until dissolved completely.
- Mix in a few drops of food coloring to achieve your desired color.
Coating the Eggshells
- Using a paintbrush, cover the interior side of each eggshell with white glue.
- Carefully spoon the crystal solution into the shells, ensuring not to overflow. Sprinkle more of the Epsom salt or borax crystals over the glue-coated surfaces.
Crystallization
- Place your filled eggshells back on the baking tray. Let them sit in a warm, undisturbed area for 24-48 hours.
- Once the crystals have formed and are dry, gently peel off any excess glue or crystals that may have formed outside the shell.
Notes
Display your completed geodes in sunlight to enhance their sparkling effects. You can experiment with different combinations of colors and solutions for unique results.