Borax Crystal Hearts for Valentine’s Day
How to Make Borax Crystals

Make some gorgeous borax crystal hearts for a Valentine’s Day craft! Crystal formation with water and borax is a fascinating process that involves a combination of chemistry and physics. Make sure to try our crystal snowflakes too!

First, gather your magic ingredients: water, borax, a pipe cleaner, some string, a straw or pencil, and a pint-sized mason jar. Now, let’s get this crystal party started!
Step one: boil that water! While you’re waiting for it to boil, get crafty and bend that pipe cleaner into a heart shape that fits snugly inside the jar. Add a string and tie it to a straw or pencil – this will be your crystal heart’s lifeline!
Now, pour the boiling water into the jar and add the borax. Stir until it’s all combined and lovely. Gently lower your pipe cleaner heart into the jar and let it chill for 24 hours. When you pull it out, it might be stuck to the side, but don’t worry – just wiggle it gently and voilà ! Your crystal heart is ready to shine!

Let’s dive into the amazing process of turning borax and water into stunning crystals! It all starts with a simple mixture of borax and water. As the borax dissolves, it breaks down into its constituent ions, creating a supersaturated solution that’s just begging to turn into something amazing!
As the solution cools, the magic really begins. The ions start to come together, forming a crystal lattice structure. This is where the nucleation site comes in – a string, stick, or even a tiny imperfection on the container wall provides a location for the ions to start forming a crystal. It’s like a tiny, sparkly city, with ions arranging themselves into a repeating pattern.
As the solution continues to cool, more ions join the party, and the crystal grows. It’s a slow and steady process, but the end result is well worth the wait. Over time, the crystal continues to grow, and eventually, it becomes visible to the naked eye. The resulting crystal can take on all sorts of shapes and forms, depending on the conditions. And voilà ! With patience and the right conditions, you’ve created stunning crystals using water and borax!

Once you’ve grown these stunning sparklers, the possibilities are endless! You can use them as decorations for your home or office, adding a touch of science-chic to your space. They make perfect gifts for friends and family, especially those who love science, geology, or just plain cool stuff.
You can also use borax crystals as educational tools, teaching kids about chemistry, geology, and the wonders of crystal formation. And, if you’re feeling crafty, you can incorporate borax crystals into jewelry, ornaments, or other DIY projects, adding an extra touch of sparkle and magic.

Watch me make them…
Borax Crystal Hearts
Materials
- 14 oz water fill a pint jar almost to the top
- 6 tbsp borax
- pipe cleaner
- string
- straw or pencil
- pint mason jar
Instructions
- Start by boiling the water.
- Cut a pipe cleaner and bend it to make a heart that fits inside the jar.
- Put a string around the heart then tie to a straw or pencil.
- Pour the boiling water into the pint jar. Add the 6 tbsp of borax and stir until combined.
- Lower the pipe cleaner heart into the jar and let sit for 24 hours.
- Pull it out (it might be stuck to the side) just wiggle it gently. Wipe off the liquid and enjoy!







