Polished Ammonite Fossil, Late Jurassic, Madagascar

Ancient marine fossil specimen

Polished Ammonite Fossil Exact Details

Trusted sourcing and variety

Available Species and Sizes

Species and Size: Various species including Torquatosphinctes Betsibokensis, Dichotomosphinctes, Perisphinctes, Epaspidoceras
Size Range: Approximately 2.25" to 3.25" diameter
Weight Range: 58 to 149 grams
Finish: Polished surface
Period: Late Jurassic
Source Location: Madagascar
Product Type: Fossil

What arrives

One polished whole ammonite fossil per purchase, size and species according to selected variant.

Fossil for hobbyists and collectors

How This Ammonite Fossil Fits Your Fossil Collection

Place on a shelf, desk, or inside a display case to appreciate the fossil's spiral form and natural polish.

Shipping and care

Shipping and Returns

Shipping Terms

Shipping rates and delivery estimates vary. Supplier creates shipping label within 2 days. Please see checkout for shipping details.

Return Policy

30 day returns accepted. No label or restocking fee required according to supplier policy.

Polished Ammonite Fossil from Late Jurassic Madagascar with spiral pattern — Quiet spiral, ancient hush

A small, polished ammonite from Madagascar—late Jurassic time held in the palm, warm ochres and soft cream catching the light.

Old seas at the table

Polished Ammonite Fossil, Late Jurassic, Madagascar

One-of-a-kind rhythm

Shelves and desks can feel busy but impersonal. The Polished Ammonite Fossil adds a grounded focal point—subtle, tactile, and naturally patterned. Its 2.25–3.25 inch scale sits easily beside a notebook, a favorite mug, or a small vase. The quiet spiral invites a pause without asking for space.

Calm in the curve

Objects with history change how a room is used; they pull people closer. This Late Jurassic piece from Madagascar carries time into everyday moments—on a coffee table where conversations wander, or on a studio shelf between sessions. The hand finds the ridges, the eye follows the coil, and the room takes a breath.

For the collector who lives with their finds

Someone who values natural history, prefers understated tones, and wants a small, authentic fossil to anchor a workspace or gathering spot.

Place, notice, return

Set the ammonite on a desk or side table as a touchstone you reach for between tasks or during conversation.

Sourced by Rare Earth Gallery

About Rare Earth Gallery

Rare Earth Gallery brings natural history into interiors through a curated selection of minerals and collectibles. Based in Bellingham, WA, the supplier focuses on crystals, gemstones, jewelry, seashells and other natural creations chosen for color, formation, texture and visual presence. Each specimen is presented with dimensions, origin details, and notes about natural variation so buyers can weigh scale and character before committing. That attention to selection and detail makes Rare Earth Gallery a source of single, display-ready pieces—whether you seek a dramatic centerpiece for a shelf, a study specimen for a collection, or a small talisman to wear. If you care about one-of-a-kind geological character and visible presence, these finds merit a place in view.

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Common Questions

Polished Ammonite Fossil FAQ

How big is each ammonite?

Each fossil ranges approximately 2.25 to 3.25 inches and weighs about 58–120 grams.

Where is it from?

These polished whole ammonites are from Madagascar and date to the Late Jurassic period.

Is the surface shiny or matte?

It has a polished finish that highlights the natural spiral and warm tones.

Will the piece I receive look exactly like the photo?

Each ammonite is unique in color and pattern, so yours will be similar in size and finish but one of a kind.

Is it a whole fossil or a slice?

It is a polished whole ammonite fossil, not a cross-section.