Crystals

Grow your own crystals with these easy recipes. Learn about crystal structures and how crystals are classified.

It takes a lot of black dye to make solid black crystals. — Black crystals can look translucent, like black diamonds or smoky quartz, or opaque, like anthracite. You can take most crystal recipes and use them to grow black crystals. The Secret to Black Crystals While it’s easy to grow crystals in rainbow colors, black is a little trickier because a lot […]

How to Grow Black Crystals

This entry was posted on April 19, 2018 by Anne Helmenstine (updated on May 2, 2018)

Glow in the dark crystals are brightest if the crystals are clear rather than colored. — If you think regular crystals are boring, try growing glow in the dark crystals. These magical creations are easy to make, but you need to apply a bit of science to get them to work. Why Glow in the Dark Crystal Kits Don’t Work If you’ve purchased glow in the […]

How to Grow Glow in the Dark Crystals

This entry was posted on March 28, 2018 by Anne Helmenstine (updated on April 9, 2018)

Glowing Crystal Geode — It’s very easy to make a glow in the dark crystal geode. The ‘rock’ is a natural mineral (eggshell). You can use one of several common household chemicals to grow the crystals. The glow comes from paint, which you can get from a craft store. GLOW IN THE DARK GEODE […]

How to Make a Glow in the Dark Crystal Geode

This entry was posted on December 20, 2017 by Anne Helmenstine (updated on January 12, 2018)

When sunlight catches patio table crystals, they show rainbow colors. (Suncana, Flickr) — If you have a glass table and a sunny day you can paint your tabletop with non-toxic crystals in a flash. It’s an easy crystal-growing project, safe for kids and pets. You can use any crystal growing solution, but I recommend using the following recipe: 1 cup hot water 1/2 […]

Easy Patio Table Crystals Project

This entry was posted on June 26, 2017 by Anne Helmenstine (updated on August 31, 2017)

Borax Crystal Heart — Grow borax crystals overnight to make a beautiful sparkling crystal heart. Use the borax crystal heart as a decoration or simply grow it as a fun crystal project. Borax Crystal Heart Materials borax water pipecleaner Make a Borax Crystal Heart Shape the pipecleaner like a heart. It’s fine to have […]

Borax Crystal Heart Science Project

This entry was posted on January 17, 2017 by Anne Helmenstine (updated on February 8, 2018)

Borax Crystal Star (Anne Helmenstine) — Make a sparkling homemade crystal Star of David to celebrate the holidays! This project is extremely easy, resulting in a keepsake ornament overnight. Crystal Star of David Materials 2 pipecleaners – use glittery ones to get opalescent colors very hot water borax Make the Star of David To form the […]

Borax Crystal Star of David Holiday Ornament

This entry was posted on December 21, 2016 by Anne Helmenstine