Rainbow Crystal Geodes Let You Hold a Dazzling Combination of Colors in Your Hand

Leprechauns like to “chase the rainbow,” but we can do them one better. With a special rock called a rainbow geode, any mere mortal can now hold the dazzling combination of colors in the palm of their hand. The cluster of crystals catch streams of light and radiate the sparkling hues, as if they were possessed by the magic of a unicorn.

While many types of crystals boast naturally-occurring hues, that's not the case with a rainbow geode. To achieve this brilliant effect, humans have to intervene with a process called metal coating; it involves natural crystals that have their surface covered with finely ground metal—such as titanium—to give them the iridescent sheen. The process is much quicker than the millions of years needed to form a geode. It only takes a few hours in a super hot vacuum chamber to fuse the metals to the crystal’s surface.

If you want to catch the rainbow, Etsy shops such as Far Arden Essentials have these types of striking crystals for sale.

The rainbow geode is a dazzling sight.

Rainbow Recharge #amethyst #geode #prism


Its crystals are naturally occurring, but the rainbow hue is from a process called metal coating…

… in which crystals are covered in finely ground metal and placed in a hot vacuum chamber to fuse to its surface.

Rainbow Geode

Photo: ill Styles

Rainbow Geode


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Sara Barnes

Sara Barnes is a Staff Editor at My Modern Met, Manager of My Modern Met Store, and co-host of the My Modern Met Top Artist Podcast. As an illustrator and writer living in Seattle, she chronicles illustration, embroidery, and beyond through her blog Brown Paper Bag and Instagram @brwnpaperbag. She wrote a book about embroidery artist Sarah K. Benning titled 'Embroidered Life' that was published by Chronicle Books in 2019. Sara is a graduate of the Maryland Institute College of Art. She earned her BFA in Illustration in 2008 and MFA in Illustration Practice in 2013.
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