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450 minerals

Pyritized Ammonite

The Golden Coil of Turning Fortune

Also known as: Snake Stone

About the stone

Pyritized Ammonite specimen — Photo: HildLSmith, CC BY 4.0, via Wikimedia Commons

Pyritized ammonite is a fossil of an extinct, coiled-shell marine mollusc whose shell or internal chambers have been replaced or filled with iron pyrite, producing a metallic, golden appearance. Many collectible examples date to the Jurassic Period, including Pleuroceras from Germany and Quenstedticeras from Russia’s Saratov region, with additional finds in England. Common descriptive trade names include “pyrite ammonite,” “pyrite-replaced ammonite,” and “golden ammonite,” although a golden surface alone does not prove pyritization. Its lore is particularly old: ancient Romans reportedly placed golden, pyritized ammonites from Ethiopia beneath their pillows to encourage prophetic dreams, while English folklore called ammonites “snakestones,” linking them to serpents turned to stone by saints.

Mineral data

Chemical composition: Pyritized Ammonite is a fossil ammonite whose original shell has been replaced by pyrite, an iron sulfide (FeS₂), through the action of sulfate-reducing bacteria and reactive iron in the sediment. It is a replaced fossil, not a single pure mineral.
Hardness: 6 to 6.5 on the Mohs scale.
Color: Brassy golden yellow metallic coils, often with dark or gray matrix.
Specific gravity: 4.9
Refractive index: 1.520-1.680

Metaphysical data

Pyritized Ammonite, a spiral of ancient life turned to golden metal, has been utilized in metaphysical practices to turn negativity into a positive spiral and to attract abundance, vitality and luck.

Transforming and Deflecting Energy

Pyritized Ammonite is believed to turn negative energy into a positive spiral and to integrate high frequencies.
It deflects negative energy and releases negative or inhibiting patterns, leaving more space for fresh intentions.

Emotional Healing

The stone is thought to help one overcome fear, anxiety and bad habits, removing negative influences from daily life.
It promotes stability and structure clarity, helping one see the whole picture rather than being caught in small worries.

Harmonizing Energy Centers

Pyritized Ammonite is associated with the root, sacral and solar plexus chakras, uniting safety, feeling and personal will.
Its golden spiral is used in meditation to picture energy rising smoothly from the base of the body toward the belly and center.

Zodiac Associations

The stone is linked to the zodiac signs of Cancer and Leo, joining protective care with warm-hearted confidence.
In numerology it vibrates to the number 6, a number of harmony, family and loving responsibility.

Spiritual Growth

Pyritized Ammonite is used for abundance, wealth, health, vitality, luck, happiness, creativity and manifestation.
The union of ancient shell and golden pyrite makes it a symbol of how time and transformation can turn loss into treasure.

Physical Healing

Pyritized Ammonite is not a substitute for professional medical advice; tradition links it with overcoming depression and degenerative disorders.
These are symbolic associations only, and any serious health concern requires a qualified professional's care.

Care and handling

Pyrite can oxidize and tarnish, and in damp conditions it may break down and form powdery sulfur compounds, so keep this fossil dry and never soak it in water. Wipe it with a dry soft cloth or brush, store it with a little silica gel, and avoid heat and acids. Wash your hands after handling, avoid breathing any dust that crumbles from it, and keep it away from children and pets. Do not use it in water, elixirs or gem water.

Individual experiences with Pyritized Ammonite vary. Use it mindfully as a golden spiral of hope and abundance, keeping the stone dry and well cared for.