Journal of Deep Time

How to Choose an Ammonite that Feels Like Yours

ammonite pendant on skin woman touching fossil jewellery close up
Choosing an ammonite is not the same as choosing a piece of jewellery.

You are not selecting a material or a design.
You are encountering a form that has existed for hundreds of millions of years.

And sometimes, the choice does not begin with you.

1. There Is No “Perfect” Ammonite

Every ammonite fossil is unique.

Its shape, its colour, the way the spiral unfolds — all of it was formed naturally, long before human hands ever touched it.

This means there is no standard to follow. No ideal to compare against.

Only difference.

2. You Do Not Choose — You Recognise

Many people describe the same experience.

They look at several ammonites — and then one of them feels different.

Not better. Not brighter. Just… closer.

This is often the moment of recognition.

3. The Spiral as a Personal Symbol

The form of an ammonite is not random.

It follows a logarithmic spiral — a structure that appears in nature again and again, from shells to galaxies.

Because of this, people often associate ammonites with:
— growth
— continuity
— cycles of life
— movement through time

What it means, however, is always personal.

4. Size, Shape, and Feeling

Some are small and quiet.

Others are bold and more expressive.

Some are symmetrical.

Others are irregular, almost raw.

There is no rule here — only response.

5. Ammonite in Jewellery

When an ammonite becomes part of a piece of jewellery, it does not lose its nature.

It simply changes context.

It becomes something that can be carried, worn, and kept close.

Each piece is created around a real fossil and comes with a certificate of authenticity, confirming its origin.
If you are just beginning to explore ammonites, you can learn more in our guide: What Is an Ammonite? Fossil Age, Meaning and Jewellery

6. Take Your Time

This is not a decision that needs to be rushed.

In many cases, the right ammonite is the one you return to — even after looking away.

Perhaps the question is not how to choose an ammonite.

But whether one of them already feels like yours.

Discover your ammonite
The Material Codex