Herkimer Diamond | Mooncat Crystals

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Herkimer Diamond

Herkimer Diamond

Herkimer Diamonds are pure light in crystal form: high-vibration quartz that shines with clarity, brilliance, and amplified energy. They help you align with your highest self, connect with spiritual guidance, and focus on what truly matters. Known as powerful energetic magnifiers, Herkimer diamonds support clear insight, deep meditation, and amplification of other crystals.

Perfect for your altar, bedside, or meditation space, these double-terminated quartz crystals flow with balanced energy in both directions. Use them to strengthen intuition, encourage vivid dreams, or carry them as daily companions that keep you clear, aligned, and connected.

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Let customers speak for us

from 565 reviews

Free crystals for stress relief

This is one of the best websites I've found for everything spiritual

Shawn Faber

*FREE* Crystals for Stress Relief | MINI GUIDE

06/16/2025

Absolutely gorgeous!! It came packaged beautifully (and securely). I also received it in a timely manner. Thank you very much!!

Amber

Mooncat Crystals

05/05/2025

Beautiful!

Excellent quality crystal, fast shipping. I'll definitely be a repeat customer

Theresa Goss

Optical Selenite

03/22/2025

Beautifully crafted and totally met my expectations. Thank you so much for the hand crafted witch ball. Love it!

Jane

Mooncat Crystals

02/13/2025

Beautiful. Thank you

Sandra

Spirit Quartz | Stock S

01/25/2025

Thank you. Beautiful packaging. Arrived quickly.

Debbie

Mooncat Crystals

01/18/2025

Absolutely beautiful! Very fast shipping!

Debbie

Mooncat Crystals

01/01/2025

Purchased to be given as a gift, and they were perfect! Very pleased with the purchase. Thank you!

Meryl

Mooncat Crystals

12/27/2024

Rare Red Amethyst Tumbles

Lovely tumble stones, fast shipping, and packaged with care -- very happy with my purchase.

Laurie Wilcox

Rare Red Amethyst Tumbles | Set of 2

11/03/2024

Love it!!!

Even more beautiful then the pics! I absolutely love my towers. Thank you so much for getting my amazing goodies to me fast!

Erica Scott

Shipping Protection by Route

09/08/2024

Love it!! Beautiful photos and great information. Thank you!!

Lori

8-8 Lion's Gate Portal Journal | Instant Download

08/08/2024

It’s beautiful, just as described, and came quickly.

ateplick

Mooncat Crystals

08/07/2024

Amazing raw crystals. Beautiful and comes as pictured.

Brittney

Cleanse + Protect Crystal Kit

12/26/2023

Perfect

As always, I received the exact stone pictured. It’s absolutely beautiful. High quality. I love this seller!

Cynthia Witkin

12/02/2023

Always love my purchases

These are the best quality crystals I have ever bought.

Nicole Romero

Dark Fluorite Tumbles | Set of 2

08/14/2023

Blog posts

Herkimer Diamonds: The Sparkling Quartz with Big Energy

Herkimer Diamonds: The Sparkling Quartz with Big Energy

Herkimer diamonds are brilliant quartz crystals from New York. Learn their meaning, properties, and shop Herkimer diamonds for clarity & energy.

Shift Your Mindset: 6 Crystals That Help Reframe Limiting Beliefs

Working with Crystals

Shift Your Mindset: 6 Crystals That Help Reframe Limiting Beliefs

Your mindset shapes how you experience life. The beliefs you hold — often unconsciously — guide your choices, your emotions, and the way you see opportunities. Some beliefs lift you up, while other...

How to Work With Small Crystals

Working with Crystals

Do Small Crystals Work? How Tiny Stones Can Bring Big Shifts

Do Small Crystals Work? A common question is: do small crystals work the same as large ones? The simple answer is: yes. The metaphysical properties of crystals come from their internal structure, ...

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