Crystals

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

Potassium Alum Crystal — It's easy to grow a big alum crystal using safe kitchen ingredients.

How to Grow a Big Alum Crystal

This entry was posted on February 13, 2021 by Anne Helmenstine (updated on February 13, 2021)

Potassium Dichromate Crystals — It's easy to grow potassium dichromate crystals. These crystals are naturally vivid orange to red, without the use of any dyes.

How to Grow Orange Potassium Dichromate Crystals

This entry was posted on February 6, 2021 by Anne Helmenstine (updated on February 6, 2021)

Monoammonium Phosphate (MAP) — It's easy to grow large monoammonium phosphate crystals. The crystals resemble quartz when clear, but may be colored to look like emeralds or amethyst.

Grow Monoammonium Phosphate Crystals (MAP) That Resemble Emeralds

This entry was posted on January 23, 2021 by Anne Helmenstine (updated on January 23, 2021)

It's easy to grow a magic crystal Christmas tree using simple chemicals. — It's easy to grow a magic crystal Christmas tree using simple chemicals. Make a shape from cardboard or a sponge, set the tree in the liquid, and watch the crystals grow.

Magic Crystal Tree Experiment

This entry was posted on August 29, 2020 by Anne Helmenstine (updated on October 7, 2020)

Benzoic acid crystals are perfect for a snow globe because they sparkle like snowflakes but don't melt. — Learn how to make a crystal snow globe with real crystals of benzoic acid.

How to Make a Crystal Snow Globe With Benzoic Acid ...

This entry was posted on August 2, 2020 by Anne Helmenstine (updated on October 7, 2020)

The method used to preserve crystals depends on the type of crystal. — Learn how to preserve homemade crystals, such as borax, salt, and copper sulfate.

How to Preserve Crystals

This entry was posted on June 17, 2020 by Anne Helmenstine (updated on January 11, 2021)