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Ammonite fossil, very old specimen. Ammonites are an extinct group of marine mollusc. Ammonites first appeared about 240 million years ago. Ammonites constantly built new shell as they grew, hence the spiraling chambers. Heavy solid stone rock fossil with a great copper brown color scheme.

Size: 22x19mm

Weight: 2.5 grams

Shape: Coiled Spiral Shell

Color: Brown/Copper/Deep Silver with tan rock back

Cut: Flat face with rough back

Origin: Madagascar

A great and very old fossil, fall colors/ copper browns, perfect for wrapping or setting.

Care: Clean gently with warm water and a mild soap. Avoid harsh chemicals and cleaners such as bleach, ammonia or sulfuric acid. Store them separately and away from other gems and jewelry. It is best to wrap in a soft cloth, or place them inside a fabric-lined box for extra protection.

All of my stones are from the earth, not grown in labs, and all of the stone treatments are disclosed. This fossil is untreated.

Frequently asked questions about JocundJonquils

We are happy to gift wrap your order or add a card message, just add a note to your order with instructions for us, we have a variety of gift bags, boxes and cards available.
Message us for any sizing inquiries, depth and specifics are available. For stones with multiple available or accent sets, color is the deciding factor in pairing stones.
All of our stones are natural, and treatments are fully disclosed. We only deal with the real mined from the earth stones. If you would like provenance information, please message us. Certificates of authenticity are available for all of our faceted stones just request one by messaging us with your order.
Need more pictures? Or want a video? Just message us we are happy to help! We do our best to capture the accurate color of each gemstone we photograph. However, colors may vary based on lighting and the screen you are viewing the listing on. We take photos in natural light and artificial light. No filter or photoshop editing effects are done to the images.
Layaway Plans are available, message us and we will make the plan that works for you. Partial Payments can be made in installments over time to work with your budget.

Ammonite Fossil 22x19mm 200 Million Year Old Shell


Only 1 available


  • Materials: fossil, ammonite fossil, mollusc, sea fossil, old shell, shell fossil, shell gem, rare shell, ammolite, sea shell, fossilized shell, dinosaur fossil, amonnite
  • Ships worldwide from United States
  • Feedback: 21 reviews