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Cancer Birthstone

Cancer Birthstone: Moonstone

Water sign · June 21 to July 22

3 traditional Cancer stones · Curated by Crystal Cassandra · Care-verified

Crystal Cassandra

By Crystal Cassandra · Updated August 3, 2026

Crystal Healing Expert

What is the Cancer birthstone?

In traditional crystal healing, the Cancer birthstone is Moonstone, a stone aligned with this water-element sign (June 21 to July 22). Moonstone and Cancer share a ruler, the Moon, and when you hold this stone, you're holding a piece of your cosmic home. Many Cancer also work with alternatives like Pearl and Ruby.

The birthstone

Moonstone for Cancer

Moonstone and Cancer share a ruler, the Moon, and when you hold this stone, you're holding a piece of your cosmic home. Its shifting, luminous surface mirrors the emotional tides you navigate so gracefully. Cancer, your sensitivity is your superpower, and Moonstone honors that by supporting intuition without letting emotions overwhelm. Ruby, your alternate stone, brings a protective fire that shields your tender heart when the world feels too sharp. In my practice, I recommend alternating between both.

Moonstone Properties

Chakra: sacral, third-eye
Element: water
Hardness: 6
Planet: moon
intuitioncalmself-lovespiritual-awakening
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Alternative Crystals for Cancer

Moonstone

A luminous stone of intuition, emotional balance, and divine feminine energy.

Ruby

A precious red stone of passion, vitality, and royal life-force energy.

Along the wheel

More Zodiac Birthstones

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About this tool

This tool is based on a traditional system. Results are deterministic, the same inputs always produce the same output, but the traditional systems themselves have not been validated by modern science.

Zodiacal birthstone associations are based on traditional crystal healing practice, not scientific evidence.

For entertainment and self-reflection. Not a substitute for professional medical, legal, financial, or psychological advice.

Learn more about our methodology →