Last updated by Madison Carter
Every stone resonates with your signs. What are yours?
Sun, Moon and Rising: the foundation of your birth chart
Precious and semi-precious gemstones have amazing powers, and onyx, a variety of chalcedony, is no exception.
Used since ancient times, onyx is a mysterious stone, between protection and bad reputation: we are about to reveal all its secrets.
Color
Black, sometimes with black and white strata
Crystal system
Rhombohedral
Composition
Silicon dioxide (banded chalcedony)
Etymology
From the Greek onux, “nail” or “claw”
Price
From $0.70 per carat
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The word “onyx” comes from the Greek onux, related to the Sanskrit nakha, meaning “nail.” According to legend, Cupid found Venus asleep on a riverbank one day: he cut her nails with the tip of one of his arrows and left the clippings scattered on the ground. The Fates gathered them and turned them into a fine stone, so that nothing divine would be lost.
Mineralogically, onyx is a banded chalcedony with regular, parallel layers. The solid black found in jewelry is in fact often dyed, so rare is naturally black onyx.
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Ancient Egyptians carved onyx into protective amulets and burial jewelry to guard souls in the afterlife. Greeks and Romans wore it for courage in battle and carved cameos and seals into its contrasting layers. In Indian mysticism, it shields against evil spirits and black magic; in Chinese Feng Shui, it is valued for its yin energy, which neutralizes emotional stress.
In the Middle Ages, miraculous virtues were attributed to it, but because of its dark color it was also said to exert a bad influence: it was thought to cause disputes, conflicts and breakups, in couples as well as between neighbors.
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Onyx is particularly suited to troubled times. In crystal healing, it brings strength and support in the difficult moments of life and accompanies periods of transition and change. It is also a stone of stability, which balances body and mind and gives strength and vigor.
Worn on the body, it helps you through stressful periods.
It supports you through sadness and discouragement.
It accompanies the time of grief.
It helps you overcome a romantic breakup.
For spiritual protection, wear an onyx ring, necklace or bracelet as a psychic shield; place it under your pillow against nightmares; keep a piece near the entryway to block negative energy.
For emotional balance, meditate with onyx in your hand to invite stability and calm, or carry a small piece in your pocket to absorb stress. Paired with rose quartz or amethyst, it supports inner peace.
All three protect, but differently. Onyx absorbs negative energy: it is the stone of grounding and emotional stability. Black obsidian repels psychic attacks and serves spiritual cleansing. Hematite strengthens auric protection and helps keep a clear mind.
⚠️ The virtues attributed to stones come from traditions and beliefs. They are not a treatment and do not replace medical advice.
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Looking for other protective stones? Discover garnet and lapis lazuli.
Key takeaways 📌
Madison's insights: a powerful ally
Onyx is a powerful ally for those who seek protection, grounding and emotional strength. A spiritual advisor can help you make the most of it. The future is mine.
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Article presented by
Madison Carter
"Psychic Healer & Angelic Channel for MyAstro ✨ As a psychic healer and angelic channel, I translate loving guidance from the divine into practical wisdom. My work is dedicated to delivering messages from guardian angels that bring clarity, comfort, and deep spiritual healing. Through MyAstro, I aim..."
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