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

North Africa, Morocco, Devonian to Cretaceous, ca. 409 to 66 million years ago. A stunning collection of 38 ammonite fossils that not only fossilized but many have pyritized and opalized forming a shi

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

Fossil ammonite with opalescent shell. Madagascar Cretaceous, 100 million years old

Jurassic Period, 200-145 million years BP. An A-grade cut and polished ammonite from Madagascar, showing internal chambers and crystal formation, opalescent lustre to the shell. 18 grams total, 35mm (

Ammonoidea coiled shell cephalopod, probably Devonian to late Cretaceous period. [9 1/4 x 12 1/2 x 3 3/4 inches].

Cretaceous Period, Albian Stage, 113-100 million years B.P. A cut and polished composite ammonite platter, revealing the internal structures of the shells. 661 grams, 23 cm wide (9 in.). From a Lincol

No Reserve! Title: 70.90 ctz Natural Ammonite Fossil Seashell Snail Gemstone Color/Clarity: Brown / Opaque Gemstones: Sea Shell Carat Weights: 70.9 Size/Dimensions: 37.55 x 31.95 x 9.40 Additional Inf

No Reserve! Title: 68.00 ctz Natural Ammonite Fossil Seashell Snail Gemstone Color/Clarity: Brown / Opaque Gemstones: Sea Shell Carat Weights: 68 Size/Dimensions: 37.10 x 32.20 x 9.00 Additional Infor

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

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

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

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.

A cast stone ammonite shell fossil garden sculpture. Campania, Quakertown PA. 24-1/2in tall x 18in wide.

Huge natural 18 pound Ammonite Shell Fossil. Found in Madagascar. 13"

UNIQUE PILL OR TRINKET BOX MEASURES 1.25" LONG X 1" WIDE X 0.75" DEEP. TESTED & MARKED 925 STERLING SILVER. WEIGHS 23.3 GRAMS. USA SHIPPING $4.

Lot of 17 shells and 1 coral fossil. Shells include 9" melon shell, marble cone, 3" and 4" Tiger cowrie shells, 2.75" turbo shell, magpie shell and others.

Lithographs Published 1900, Albany for "New York State Museum 54th Annual Report of the Regents" Paper Size: 9 x 5.5 inch (23 x 14cm) and slightly larger. Good Condition

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

Opalized Shell Fossil Ammonite Cretaceous 100 M.Y.O. Madagascar 4"

This halved ammonite has suture patterns and iridescence on is back side with a polished front. There is a Natural crack that appears to have been filled to its lower portion. It measures 11 1/2" long

Includes a total of three (3) ammonite Jurassic period shelled cephalopods. Each with its unique and distinctive spiral shell design. Two (2) with a smooth polished finish to the top area. Measure fro

Fossilized ammonite crystal, no apparent inscriptions or markings, subject a fossil Ed ammonite shell in browns and grays, reverse of fossil is bare natural rock, Most commonly found in Morocco, Ammon

Fossil Ammonite Irredescent Shell Center 100 M.Y.O. Madagascar 4"