Rocks, Minerals & Fossils

Ancient Iridescent Ammonite Shell Fossil First Image

#image-loader-main { display: none; }

Ancient Iridescent Ammonite Shell Fossil First Image

Ancient Iridescent Ammonite Shell Fossil

Total Sales1 Sold

Median Sale Price

Sale Price Range

Similar Upcoming Sales

Outstanding Iridescent Ammonite Fossil 110 Million Years Old Cleoniceras Ammonite (1 of 6)

Outstanding Iridescent Ammonite Fossil 110 Million Years Old Cleoniceras Ammonite

Heartland Artifact Auctions

Feb 15, 2026

Outstanding Iridescent Ammonite Fossil 110 Million Years Old Cleoniceras Ammonite (1 of 6)

Outstanding Iridescent Ammonite Fossil 110 Million Years Old Cleoniceras Ammonite

Heartland Artifact Auctions

Feb 15, 2026

Fine Large Ancient Ammonite Specimen (1 of 6)

Fine Large Ancient Ammonite Specimen

Inspired Auctions

Feb 19, 2026

Iridescent Fossil Cleoniceras Ammonite (1 of 1)

Iridescent Fossil Cleoniceras Ammonite

TimeLine Auctions Ltd.

Mar 07, 2026

Ammonite Fossil Found In Madagascar 240-66 Million Years Old Devonian Period To The Cretaceous (1 of 6)

Ammonite Fossil Found In Madagascar 240-66 Million Years Old Devonian Period To The Cretaceous

Heartland Artifact Auctions

Feb 15, 2026

1 3/4" Iridescent Fossil Ammonite, Cleoniceras, 110 Million yrs. old (1 of 6)

1 3/4" Iridescent Fossil Ammonite, Cleoniceras, 110 Million yrs. old

Heartland Artifact Auctions

1 day Left

Iridescent Fossil Cleoniceras Ammonite (1 of 1)

Iridescent Fossil Cleoniceras Ammonite

TimeLine Auctions Ltd.

Mar 07, 2026

3 1/2" x 2 3/4" Highly Iridescent Fossil Ammonite, Cleoniceras, 110 Million yrs. old (1 of 6)

3 1/2" x 2 3/4" Highly Iridescent Fossil Ammonite, Cleoniceras, 110 Million yrs. old

Heartland Artifact Auctions

1 day Left

AMMONITE ROCK STONE LAPIDARY SPECIMEN (1 of 2)

AMMONITE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman Auctioneers

1 day Left

Fossil Pseudolioceras Ammonite (1 of 1)

Fossil Pseudolioceras Ammonite

TimeLine Auctions Ltd.

Mar 07, 2026

A LARGE FOSSILIZED AMMONITE. Polished. (1 of 3)

A LARGE FOSSILIZED AMMONITE. Polished.

J. Greenstein & Co., Inc.

3 days Left

Madagascar Ammonite Shell Fossil w/ Crystal Formations (1 of 3)

Madagascar Ammonite Shell Fossil w/ Crystal Formations

Artemis Fine Arts

1 day Left

Gorgeous Large Ancient Ammonite Specimen (1 of 6)

Gorgeous Large Ancient Ammonite Specimen

Inspired Auctions

Feb 19, 2026

Fossil Agadir Ammonite Pair (1 of 1)

Fossil Agadir Ammonite Pair

TimeLine Auctions Ltd.

Mar 07, 2026

Fossil Perisphinctes Ammonite (1 of 1)

Fossil Perisphinctes Ammonite

TimeLine Auctions Ltd.

Mar 07, 2026

Fossil Ammonite 408 to 65 Million Years Old Paleozoic to Mesozoic Era (1 of 6)

Fossil Ammonite 408 to 65 Million Years Old Paleozoic to Mesozoic Era

Heartland Artifact Auctions

Feb 15, 2026

Similar Sale History

Unlock All Prices

Sold

Ancient Iridescent Ammonite Shell Fossil (1 of 6)

Ancient Iridescent Ammonite Shell Fossil Great piece. Measures approx. 2" long x 1 1/2" wide. The surface of the fossil has crystallized in a way that creates an iridecent effect with colors ranging from green to orange. Very beautiful.

Sold

Baculite Fossil with Shell Iridescence (1 of 5)

Baculite Fossil with Shell Iridescence Wonderful ancient fossilized baculite fossil with a lovely iridescent layer to the shell. Baculites is an extinct genus of heteromorph ammonite cephalopods with almost straight shells. Size 2 1/2" L x

Sold

Three Found Fossils, Red Quartz Cluster (1 of 9)

Three Found Fossils, Red Quartz Cluster 3 x 4 inch Phantom Quartz cluster, 6 inch Spiny Ammonite, 5 inch Iridescent ammonite fossil, polished Gastropoda shell

Sold

9 Ammonite Shell Fossils, Opalescent & Pyritized Shells (1 of 3)

9 Ammonite Shell Fossils, Opalescent & Pyritized Shells Ancient Seas, Devonian to Cretaceous, ca. 409 to 66 million years ago. A stunning collection of 9 ammonite fossils that have pyritized and formed an opalescent surface on the exterior. Each shell is c

Sold

Rainbow Shell Fossil Ammonite (1 of 1)

Rainbow Shell Fossil Ammonite Jurassic Period, 199-145 million years BP. A natural iridescent shell Parkinsonia sp. ammonite, in white card tray with label reading: 'Ammonite, Parkinsonia sp., Mid Jurassic Age (approx. 170 million

Sold

Prehistoric Nautiloid Shell Fossil w/ Ammonite Shell (1 of 3)

Prehistoric Nautiloid Shell Fossil w/ Ammonite Shell Ancient Seas, Late Jurassic to Cretaceous period, ca. 155 to 66 million years ago. A beautiful nautilus and ammonite association that fossilized together, the ammonite resting slightly within the cham

Sold

Fossilized Ammonite Shell w/ Fiery Iridescent Ammolite (1 of 4)

Fossilized Ammonite Shell w/ Fiery Iridescent Ammolite North America, Canada, Alberta, Bearpaw formation, late Cretaceous, ca. 71 million years ago. A beautiful ammonite fossil has formed a fiery iridescence across the surface known as ammolite- an exceed

Sold

Rainbow ammonite fossil specimen (1 of 4)

Rainbow ammonite fossil specimen Opalized ammonite specimen-iridescent material in shell - possibly from Canada possible 400 million years old

Sold

Fossilized Madagascar Ammonite Fossil Group (1 of 5)

Fossilized Madagascar Ammonite Fossil Group Africa, Madagascar, ancient seas, ca. 400 million years ago. A tall group of ammonites and other ancient shells fossilized in a hardened grey matrix. The ammonites range in color from a rich reddish b

Sold

Lot of Four Fossil & Mineral Specimens (1 of 4)

Lot of Four Fossil & Mineral Specimens **Originally Listed At $150** Ancient Seas, ca. 400 to 1 million years ago. A nice mixed collection of sea fossils and crystalline geodes, including a wonderful spiralized ammonite shell with interior

Sold

Natural Iridescent Fossil Ammonite (1 of 1)

Natural Iridescent Fossil Ammonite Cretaceous Period, 115 million years B.P. A Madagascan ammonite showing natural iridescence on shell surface. 157 grams, 86 mm (3 3/8 in.). From Madagascar. Private Shropshire, UK collection. [No Rese

Sold

Natural History - Iridescent Fossil Ammonite (1 of 1)

Natural History - Iridescent Fossil Ammonite Cretaceous Period, circa 113-100 million years B.P.. Cleoniceras besairiei with large portions of the shell with rainbow iridescence. 242 grams, 10 cm (4 in.). From a Lincolnshire, UK, collection. [No

Sold

Ammonite Fossil 65-240 Million Years Old. (1 of 4)

Ammonite Fossil 65-240 Million Years Old.An ammonite fossil is the preserved shell of a cephalopod that lived in the ocean between 240 and 65 million years ago. This is a solid stone formation with a classic spiral form of the ancient sea cr

Sold

Large Fossilized Ammonite w/ Stunning Iridescence (1 of 3)

Large Fossilized Ammonite w/ Stunning Iridescence Ancient seas, Paleozoic period. ca. 400 million years ago. A gorgeous and large ammonite fossil with shimmering iridescence. The shell is nicely preserved, and the creamy white surface is polished to

Sold

Jurassic Ammonite Shell Fossil, Crystal Formations (1 of 3)

Jurassic Ammonite Shell Fossil, Crystal Formations **Originally Listed At $600** East Africa, Madagascar, Jurassic to Cretaceous period, ca. 200 to 66 million years ago. A pretty ammonite fossil hat has been cut and polished to reveal the natural and

Sold

Madagascar Ammonite Shell Fossil w/ Crystal Formations (1 of 3)

Madagascar Ammonite Shell Fossil w/ Crystal Formations East Africa, Madagascar, Jurassic to Cretaceous period, ca. 200 to 66 million years ago. An ammonite fossil hat has been cut and polished to reveal the natural and fascinating interior whorl patterns

Sold

Gorgeous Large Highly Iridescent Ammonite Fossil (1 of 6)

Gorgeous Large Highly Iridescent Ammonite Fossil Gorgeous Large Highly Iridescent Ammonite Fossil

Sold

Incredible Large Ancient Ammonite Fossil on Stand (1 of 4)

Incredible Large Ancient Ammonite Fossil on Stand Wonderfully preserved ancient ammonite fossil specimen with classic spiraled body. Incredible coloration throughout including warm earth brown and bright red coloring throughout. Some areas of crystal

Sold

HUGE 7 1/2" AMMONITE SHELL FOSSIL, VERY LARGE EXAMPLE, DISPLAYS WELL (1 of 5)

HUGE 7 1/2" AMMONITE SHELL FOSSIL, VERY LARGE EXAMPLE, DISPLAYS WELL HUGE 7 1/2" AMMONITE SHELL FOSSIL, VERY LARGE EXAMPLE, DISPLAYS WELL

Sold

2 3/4" Large Iridescent Ammonite Fossil, Madagascar (1 of 4)

2 3/4" Large Iridescent Ammonite Fossil, Madagascar 2 3/4" Large Iridescent Ammonite Fossil, Madagascar

Sold

IRIDESCENT AMMONITE FOSSIL SPECIMEN. HEIGHT 5 1/2" (1 of 2)

IRIDESCENT AMMONITE FOSSIL SPECIMEN. HEIGHT 5 1/2"IRIDESCENT AMMONITE FOSSIL SPECIMEN. HEIGHT 5 1/2"

Sold

Natural Polished Goniatite Ammonite Shell Fossil (1 of 7)

Natural Polished Goniatite Ammonite Shell Fossil Natural Polished Goniatite Ammonite Shell Fossil. 11 inches x 9 inches.

Sold

Ammonite Shell Fossil Sculpture. (1 of 2)

Ammonite Shell Fossil Sculpture.pture. Size 4 1/8 x 3 inches. Beautiful Ammonite Shell fossil with extensive detailed that has been preserved, cut in the middle into two pieces, the center shows beautiful pattern and colors. This un

Sold

Ammonites Shell Fossil Specimen (1 of 5)

Ammonites Shell Fossil Specimen A fossil of a Ammonite but in the middle. Approximately 2 inches long. Fossil, specimem, vintage fossil, collectible fossils, mollusks fossil, mollusks, tabletop accessories and decor, home decor, tab

TOP