Coral
coral — pre-owned
Browse 1,109 coral — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

HUGE OLD HEXAGONIA FOSSIL CORAL SLAB IOWA 13 POUNDS
FROM AN OLD OREGON COLLECTION. The inventory had been in storage for over 25 to 40 years. I am not an expert just enjoy the hobby.

Large Natural Ridge Coral Specimen 10" x 11"
This large natural ridge coral specimen measures 10" x 11" and is a unique and eye-catching addition to any collection of rocks, fossils, and minerals. With its intricate and colorful structure, this coral piece offers a glimpse into the natural beauty of the underwater world. Perfect for collectors or those interested in the geological history of coral formations, this specimen is sure to make a statement in any display. Nice as part of an aquarium display piece.

Large Fossil Coral Specimen, Brain Coral-Like Pattern, Large Coral Fossil
Large Fossil Coral Specimen, Brain Coral-Like Pattern, Large Coral Fossil

Large Cup Coral Beautiful Sea Sculpture Statue Centerpiece Decor, 12.5”
This stunning statue is an exquisite addition to any collection or decor.

Agatized Fossil Coral from Florida 12 piece Collection Lot druzy crystal geode
This is a collection of agatized coral from Florida. Beautiful colors, banding, and botryoidal formations. A few of these geodes have been cut to expose the inner beauty. Great display pieces or to make jewelry.

Crystallized Honeycomb Coral 207g Favosites Fossil with Druzy Vugs Lake Michigan
One solid Crystallized Honeycomb Coral 207g. This is an outstanding Favosites Fossil with sparkling Druzy Vugs! Type: Fossilized Tabulate Coral (Favosites). Favosites was a primary reef-building organism in this ecosystem, forming massive colonial structures.

Petoskey Stone 1 Piece Double Sided w/Iron Inclusion 3oz Rugose Coral Fossil 2"
This fossilized rugose coral (Hexagonaria percarinata) features the iconic "eye" patterns. Fossil Type: Rugose Coral (Hexagonaria percarinata). One side showcases the classic, opaque grays Petoskey stone pattern.
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Lake Michigan Raw Unpolished Fossil Soup Coral Head ~ Petoskey Stone
Not sure what side of this rock that I liked better! The top showcases a dense matrix of diverse marine organisms that lived alongside the coral. I thought that this was a larger stone when I dug it out of the sand only to flip it over to find a clean colony of Hexagonaria percarinata (Petoskey Coral. ).

Halysites Chain Coral Fossil Free Standing Flat Bottom

Polished Coral Fossil
5.25 x 3.75 inches.

2 Big Pieces of Florida Agatized Coral Fossil Geode Agate Mineral Rock Display
These are beautiful and colorful pieces of agatized fossil coral from Florida. This is Florida's official State Stone. Roughly 30 million years old. Very colorful with lots of botryoidal chalcedony formations.

Bryozoan Fossil Found By Mississippi River
Bryozoan Fossil found by Mississippi River

2.6" Agatized Coral Slab Fossil Oligocene and Miocene Epochs Tampa Bay Florida
The formation of agatized coral in Tampa Bay is linked to specific geological conditions. The presence of iron oxides and other trace minerals within the silica can impart a variety of colors to the agatized coral, including white, gray, brown, red, and black.

Rare Large 2.85lb Florida Star Coral Specimen • Fort Myers Coast • Ocean Tumbled
Why It Is Rounded: Its beautiful, smooth, and rounded shape is a direct result of the power of the ocean. The ocean acted as a natural rock tumbler, smoothing out the sharp edges while perfectly preserving the intricate, star-like polyp patterns on its surface.

Botryoidal Agatized Coral Specimen , Suwanee River, Florida 6 x 4 1/2 x 3 Fossil

1.1Kg natural Orthoceras Devonian Plate Fossil Cephalopod Mollusca Ammoniten
Devonian - 400 million years ago. Select One or Both Alert Types Total size - 180x115x45mm max. I hope you understand. Weight - 1120grams. Location - Issoumour Morocco. (Opens a secure window. ).

3 pcs Caninia cornucopiae Coral Fossils Tournaisian Belgium No. 0
Location: Antoing, Belgium.

GENUINE NATURAL LARGE WHITE SEA CORAL SPECIMEN 9” X 8” X 4-3/4” - 3 lbs #2
9” X 8” X 4-3/4”. Weight: 3 lbs.

Agatized Coral Geode from Tampa Bay Florida
A beautiful cut piece of rare Agatized coral fossil from Tampa, FL! These fossils are estimated to be about 20 million years old!

Polished Petoskey Stone Michigan Rugose Coral Fossil 17.3 oz 3.5"
Type: Fossilized Rugose Coral (Hexagonaria percarinata). Its substantial size makes it perfect for a sophisticated paperweight or desk accent, a clear, tactile example of prehistoric marine life, or as a focal point for any fossil or mineral shelf.
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Vintage 7 Petoskey Mushroom Polished Ancient Fossil Stone & Rock Sculpture
Sold as pictured

Natural Petoskey Stone Lot 1 lb Unpolished Great Lakes Michigan Fossil Coral
•Fossil type: Hexagonaria percarinata (Petoskey stone). • Raw, unpolished, naturally lake-tumbled. This lot includes a mix of sizes, shapes, colors, and contrasts. Stones may display complete fossil coral patterns, while others show partial or mixed formations, adding to their unique charm.

Large Fossil Horn Coral Rugose With 3 Branches - Devonian - Michigan
This is a large horn coral fossil which is unwashed and unfinished exactly as it was found. There are three branches on this piece. Great for display. Polish it. Use it for crafts, jewelry or cabbing.

Amazing Large Rare Fossilized Brain Coral With Clam Shell Embedded In It
This is a rare and unique piece of fossilized brain coral with an embedded clam shell . This collectible item holds significance for collectors interested in rocks, fossils, and minerals, especially those drawn to coral formations. The presence of an embedded clam shell adds an extra layer of intriguing detail to this fossilized coral, making it a truly exceptional find for enthusiasts of fossils and nature's wonders. It weighs 3 Lbs and measures 6.5" L x 5" H x 5" deep.

Lake Michigan Petoskey Stones ~ 5 ~ Hexagonaria Percarinata NATURAL - Unpolished
Every photo of these stones was taken DRY. They are from my personal collection, and I have left them all in their natural state. They have been cleaned but no sanding, oil or polish. Hundreds of miles and hours.

Honeycomb Fossil- .77 ounce lot #17
This honeycomb fossil found on the shores of Lake Michigan , WI, weighing a total of .77 ounces, is a must-have for any fossil collector. These fossils originate from the United States and are a great addition to any collection. These fossils are from the coral category and are perfect for those interested in rocks, fossils, and minerals. The intricate detail of the honeycomb pattern is sure to fascinate any viewer. These fossils are a rare find and would make an excellent gift for any collector or enthusiast.

Dugong Rib Fossils Found in Peace River Florida
714. 36/7. The product is a collection of Dugong Rib Fossils found in the Peace River area of Florida, United States. These fossils provide a unique glimpse into the prehistoric history of the region, making them a valuable and sought-after item for collectors of coral, fossils, and minerals. The Dugong Rib Fossils offer a rare and fascinating window into the ancient marine life that once inhabited the waters of Florida, making them a significant find for enthusiasts and researchers alike.

Huge Florida Agatized Coral Fossil Geode CUT Agate Mineral Rock Display Piece
This is a beautiful and colorful piece of agatized fossil coral from a river in North Florida. This is Florida's official State Stone. Roughly 30 million years old. Very colorful with lots of botryoidal chalcedony formations.

Fossil Coral Specimens – Lot of 3 Assorted Coral Fossils Natural History
These fossils are ideal for You will receive exactly the three fossils shown. Included in this lot (starting from the bottom fossil) Rugose coral or related solitary coral. Fossil collections. Likely a rugose horn coral.

Premium Fossilized Coral Agate Pair
Make a statement with this stunning matched pair of natural black agate slices. Featuring deep, mirror-polished black centers framed by intricate white quartz and chalcedony borders, each piece showcases one-of-a-kind natural patterns formed over millions of years. Perfect for luxury home décor, office displays, crystal collections, or as eye-catching conversation pieces. The organic edges and high-gloss finish make this pair equally suited for modern and rustic interiors. Natural black agate Sold as a matched pair (4 pieces total) Mirror-polished faces with natural outer edges Unique, one-of-a-kind patterns Excellent for display, collectors, or upscale décor A truly elegant set that combines natural beauty with timeless sophistication.

Lot Of Large Fossilized Sun Shell Coral Shells Fossil Scallop Ocean Beach Decor
Lot Of Large Fossilized Sun Shell Coral Shells Fossil Scallop Ocean Beach Decor Will package properly and ship fast Real quartz crystal imbedded in the fossil The product is a lot of large fossilized sun shell coral shells, perfect for adding a unique touch to any beach decor or collection. These scallop shells are not only aesthetically pleasing but also serve as a reminder of the ancient ocean fossils that have been preserved over time. Ideal for collectors or those looking to enhance their space with a touch of the ocean, these fossilized shells are sure to make a statement in any room.

Natural Brain Coral Fossil Approximately 4 lbs. 7” L X 5" W X 5" H
Natural Brain Coral Fossil Approximately 4 lbs. 7”L X 5"W X 5"H. Some Natural discoloration present, but overall, in good condition.

Fossilized Reef Coral Rock Likely A Brain Coral Or Star Coral Fossil Specimen
The is a 1 1/2 inch 1 oz fossilized reef coral rock that is likely a brain coral or star coral fossil specimen. This piece would be a valuable addition to any collection of fossils or coral rocks, offering a unique and ancient piece of natural history to display or study. Its intricate and beautiful structure suggests that it may have once been home to a variety of marine organisms, making it a fascinating and unique specimen for collectors or enthusiasts of coral fossils.

Shell Fossil
Shell Fossil

Agatized Tampa Bay Fossil Coral Half • Length 2.5" • 80 grams
Agatized Coral from Florida. They basically build their own houses.

Agatized Fossil Coral - Tampa Bay, Florida #2
The product is a unique piece of Agatized Fossil Coral from Tampa Bay, Florida. This fossilized coral has been replaced by silica, creating a beautiful and one-of-a-kind pattern. Originating from the United States, specifically Florida, this collectible piece showcases the beauty of nature and the history of the underwater ecosystem. Perfect for collectors or enthusiasts of rocks, fossils, and minerals. Im putting up several pieces from my Collection. Please view all my listings. YES, I can combine, but contact me PRIOR to making the purchases.

Agatized Droozy Coral Geode Chunk from Tampa Bay Florida
A beautiful chunk of rare Agatized coral fossil with Droozy Crystal growth from Tampa, FL! These fossils are estimated to be about 20 million years old!

Huge Mushroom Razor Coral Bowl Dried 3,000+ Grams Natural Ocean Fossil Plate 14"
Weight is 7 lbs and 8.9 ounces which is equal to 3,450 grams (very thick piece). 🌟 Bundle and Save!
You save $18.50

Fossilized Brain Coral, Diploria Labyrinthiformis 5+ inches
It’s unique and beautiful. is a 5+ inch piece of fossilized brain coral, specifically Diploria Labyrinthiformis. This rare and unique collectible item holds historical significance as a representation of ancient marine ecosystems. Ideal for collectors or those interested in rocks, fossils, and minerals, this coral specimen offers a glimpse into the past through its intricate and ancient form. Perfect for display or research, this fossilized coral piece is a captivating addition to any collection.

Silicified Horn Coral Fossil - Agatized Rugose Coral with Druzy Quartz -...
The product is a unique piece of silicified horn coral fossil, specifically from the United States. This agatized rugose coral with druzy quartz showcases a beautiful and intricate pattern created by the process of silica replacement over millions of years. As a collectible item in the rocks, fossils & minerals category, this fossil offers a glimpse into the ancient marine ecosystems of the United States. It would be a valuable addition to any fossil or rock collection due to its rarity and stunning appearance.