Travertine Fossils

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Green River Fossil Knightia Eocaena Fish Tile: Eocene Epoch fossil fish, Knightia eocaena, from the Green River Formation of Wyoming. The specimen is presented in a square, light buff-colored limestone matrix slab, exhibiting visible skeletal arti

2026

Green River Fossil Knightia Eocaena Fish Tile

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

2.82ct Blue Apatite Gemstone: 2.82ct Blue Apatite measuring 10 x 10mm. It is a powerful crystal best known for clearing mental fog, boosting motivation, and enhancing communication. It is widely used to stimulate the throat and th

2026

2.82ct Blue Apatite Gemstone

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

18pc Loose Round Cut Aquamarine Gemstones: Set of eighteen loose gemstones appearing to be aquamarine. Each stone features a pale icy blue hue and faceted round-cut construction. The gemstone exhibits colors similar to aquamarine, and testing

2026

18pc Loose Round Cut Aquamarine Gemstones

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

3.48ct Blue Apatite Gemstone: 3.48ct Blue Apatite measuring 11 x 9mm. It is a powerful crystal best known for clearing mental fog, boosting motivation, and enhancing communication. It is widely used to stimulate the throat and thi

2026

3.48ct Blue Apatite Gemstone

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

Four Square Cut Aquamarine Gemstones: Set of four matching loose aquamarine gemstones. Each stone is fashioned in a square emerald-cut style featuring step-cut facets and a small table. The gemstones exhibit a uniform pale blue color and

2026

Four Square Cut Aquamarine Gemstones

Hollywood, FL

Lion and Unicorn

4.7

(2.5k)

Georges-Louis Leclerc de Buffon – Hooded and Embroidered Nautilus Shells – Engraving: "Hooded and Embroidered Nautilus Shells" This engraving displays a malacological study illustrating two distinct fossil nautilus specimens with detailed undulating sutures and ribbed surface textures.

2026

Georges-Louis Leclerc de Buffon – Hooded and Embroidered Nautilus Shells – Engraving

Avignon, Provence-Alpes-C?te d?Azur

Proverde Auctions

4.5

(70)

Rare Pyrite Ammonite Fossil, Formed Through Pyritization: Rare Pyrite Ammonite Fossil, Formed Through Pyritization

2026

Rare Pyrite Ammonite Fossil, Formed Through Pyritization

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Rare Turtle Fossil in Matrix, 50-250 Million Years Old: Rare Turtle Fossil in Matrix, 50-250 Million Years Old

2026

Rare Turtle Fossil in Matrix, 50-250 Million Years Old

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example: Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

2026

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Keichousaurus / Nothosaur Fossil, Marine Reptile, Approximately 50-250 Million Years Old: Keichousaurus / Nothosaur Fossil, Marine Reptile, Approximately 50-250 Million Years Old

2026

Keichousaurus / Nothosaur Fossil, Marine Reptile, Approximately 50-250 Million Years Old

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example: Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

2026

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example: Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

2026

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Huge 5 1/2" Cut Ammonite Fossil, Highly Polished with Amazing Color: Huge 5 1/2" Cut Ammonite Fossil, Highly Polished with Amazing Color

2026

Huge 5 1/2" Cut Ammonite Fossil, Highly Polished with Amazing Color

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example: Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

2026

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example: Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

2026

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example: Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

2026

Large Coprolite Fossil, Approximately 100 Million Years Old, Well-Formed Example

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Impressive 10 1/2" Diplomystus Fish Fossil, Green River Formation, Wyoming, Approximately 50 Million: Impressive 10 1/2" Diplomystus Fish Fossil, Green River Formation, Wyoming, Approximately 50 Million Years Old, High Grade Example

2026

Impressive 10 1/2" Diplomystus Fish Fossil, Green River Formation, Wyoming, Approximately 50 Million

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Rare Palinurus Lobster Fossil, Lebanon, Upper Cretaceous, Approximately 100 Million Years Old, Minor: Rare Palinurus Lobster Fossil, Lebanon, Upper Cretaceous, Approximately 100 Million Years Old, Minor Repairs to Cracking

2026

Rare Palinurus Lobster Fossil, Lebanon, Upper Cretaceous, Approximately 100 Million Years Old, Minor

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

300-500 Million-Year-Old Dual Trilobite Fossil in Matrix, Well-Preserved and Highly Detailed: 300-500 Million-Year-Old Dual Trilobite Fossil in Matrix, Well-Preserved and Highly Detailed

2026

300-500 Million-Year-Old Dual Trilobite Fossil in Matrix, Well-Preserved and Highly Detailed

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Nice Group Lot of Fossils and Minerals, Including Orthoceras, Agate Slice, Quartz Crystal, and Sever: Nice Group Lot of Fossils and Minerals, Including Orthoceras, Agate Slice, Quartz Crystal, and Several Ammonites

2026

Nice Group Lot of Fossils and Minerals, Including Orthoceras, Agate Slice, Quartz Crystal, and Sever

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Impressive 5 1/2" Megalodon Shark Tooth, Found off the Coast of the Carolinas, 2.5-23 Million Years : Impressive 5 1/2" Megalodon Shark Tooth, Found off the Coast of the Carolinas, 2.5-23 Million Years Old, No Repair, Restoration, or Polishing

2026

Impressive 5 1/2" Megalodon Shark Tooth, Found off the Coast of the Carolinas, 2.5-23 Million Years

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Beautiful Purple Amethyst Geode Cluster: Beautiful Purple Amethyst Geode Cluster

2026

Beautiful Purple Amethyst Geode Cluster

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Large 3 1/2" Megalodon Shark Tooth, Found off the Coast of the Carolinas, 2.5-23 Million Years Old, : Large 3 1/2" Megalodon Shark Tooth, Found off the Coast of the Carolinas, 2.5-23 Million Years Old, No Repair, Restoration, or Polishing

2026

Large 3 1/2" Megalodon Shark Tooth, Found off the Coast of the Carolinas, 2.5-23 Million Years Old,

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

Large Colorful Polished Petrified Wood Slab, Fully Polished on Both Sides: Large Colorful Polished Petrified Wood Slab, Fully Polished on Both Sides

2026

Large Colorful Polished Petrified Wood Slab, Fully Polished on Both Sides

Quincy, IL

Heartland Artifact Auctions

4.7

(912)

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24

Fossils Auctions

Lovely All Natural Malachite Bowl, 488 grams

Stunning Spiny Lobster & Turquoise Inlayed Graduated Necklace

Beautiful Rainbow Fluorite Heart Shaped Dish, 302 grams

Late Summer Fossils, Minerals & Asian Art

Inspired Auctions

Starts on:

Brea, CA, US

Quimbaya Cast Gold Female Figure with Danglers, Colombia (115 gr)

Rare Dinocrocuta "Terrible Hyena" Fossil Skull, Central Asia

Anasazi Tularosa Black-on-White Bird Effigy Vessel

DAY 1 Pre-Columbian, Native American, Fossils

Artemis Fine Arts

Starts on:

Louisville, CO, US

7 days Left

Large Amethyst Formation wIth Calcite on Custom Stand

Kyanite and Quartz Cluster on Spinning Stand

Huge, Rare Chrysocolla and Quartz Formation

Fall Rock and Fossil Timed Clearance Auction

Fossils & Gemstones of Houston

Starts on:

Houston, TX, US

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