Antique & Vintage Fossils for Sale in Online Auctions

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End Chambered Ammonite Fossil: Beautiful end chambered ammonite fossil from Madagascar. 5.25" x 6.5" x 1.5". 904 grams.

2026

End Chambered Ammonite Fossil

Fossils & Gemstones of HoustonHouston, TX

Split Ammonite Fossil Pair: Split ammonite fossil pair from Madagascar. Each side is 5" x 6.25" x .75". 874 grams.

2026

Split Ammonite Fossil Pair

Fossils & Gemstones of HoustonHouston, TX

Large Split Ammonite Fossil Pair: Large split ammonite fossil pair from Madagascar. Each side is 8" x 9.25" x 1". 2,426 grams.

2026

Large Split Ammonite Fossil Pair

Fossils & Gemstones of HoustonHouston, TX

Moroccan Jurassic Double Starfish Fossil: Moroccan Jurassic double starfish fossil. 7” x 10” x .75”. 2 pounds, 6 ounces.

2026

Moroccan Jurassic Double Starfish Fossil

Fossils & Gemstones of HoustonHouston, TX

Amethyst Geode Butterfly Wings: Amethyst geode butterfly wings on custom stand from Brazil. 26” x 16” x 10”. 58.64 pounds.

2026

Amethyst Geode Butterfly Wings

Fossils & Gemstones of HoustonHouston, TX

Polished Malachite and Chrysocolla Specimen: Beautiful polished malachite and chrysocolla specimen from the DR Congo. 3" x 4” x 3”. 1 pound, 11 ounces.

2026

Polished Malachite and Chrysocolla Specimen

Fossils & Gemstones of HoustonHouston, TX

Large Polished Fluorite Sphere: Large polished fluorite sphere. 5.5” x 5.5” x 5.5”. 8 pounds, 8 ounces.

2026

Large Polished Fluorite Sphere

Fossils & Gemstones of HoustonHouston, TX

Large Polished Ammonite Fossil: Large polished ammonite fossil from Madagascar. 6.5” x 7.5” x 2”. 3 pounds, 4 ounces.

2026

Large Polished Ammonite Fossil

Fossils & Gemstones of HoustonHouston, TX

Green and Purple Fluorite Formation: Green and purple fluorite formation from Mexico. 7" x 5.5" x 4". 7 pounds, 12 ounces.

2026

Green and Purple Fluorite Formation

Fossils & Gemstones of HoustonHouston, TX

Green Fluorite Formation: Green fluorite formation from Mexico. 5.5” x 9”x 3". 6 pounds, 7 ounces.

2026

Green Fluorite Formation

Fossils & Gemstones of HoustonHouston, TX

Green River Fish Fossil: Fish fossil plate from the Green River in Wyoming. 4.75” x 5.5” x 1”. 12 ounces.

2026

Green River Fish Fossil

Fossils & Gemstones of HoustonHouston, TX

Cubic Pyrite, Sphalerite and Fluorescent Calcite Formation: Cubic pyrite, sphalerite, and fluorescent calcite formation from Peru. 4" x 6" x 5". 6 pounds, 11 ounces.

2026

Cubic Pyrite, Sphalerite and Fluorescent Calcite Formation

Fossils & Gemstones of HoustonHouston, TX

Large Watermelon Tourmaline Formation on Wood Stand: Large watermelon tourmaline specimen on wood stand from Brazil. 10.75" x 6.5" x 4.25". 9 pounds, 10 ounces.

2026

Large Watermelon Tourmaline Formation on Wood Stand

Fossils & Gemstones of HoustonHouston, TX

Huge Double-Sided Utah Dendrite: Huge, double-sided, landscape-like Utah dendrite. 12.25" x 5.5" x 2.5". 9 pounds, 14 ounces.

2026

Huge Double-Sided Utah Dendrite

Fossils & Gemstones of HoustonHouston, TX

Polished Black Moonstone Freeform: Polished black moonstone freeform from Madagascar. 8.25" x 4.25" x 2". 4 pounds, 9 ounces.

2026

Polished Black Moonstone Freeform

Fossils & Gemstones of HoustonHouston, TX

Moroccan Jurassic Six Starfish Fossil: Moroccan Jurassic six starfish fossil. 9" x 8" x 1". 6 pounds, 2 ounces.

2026

Moroccan Jurassic Six Starfish Fossil

Fossils & Gemstones of HoustonHouston, TX

Sutured End Chambered Ammonite Fossil: Beautiful sutured end chambered ammonite fossil from Madagascar. 3.5" x 4" x 1.5". 340 grams.

2026

Sutured End Chambered Ammonite Fossil

Fossils & Gemstones of HoustonHouston, TX

Moroccan Jurassic Double Starfish Fossil: Moroccan Jurassic double starfish fossil. 5.5” x 8.5” x 1”. 2 pounds, 13 ounces.

2026

Moroccan Jurassic Double Starfish Fossil

Fossils & Gemstones of HoustonHouston, TX

Moroccan Jurassic Starfish Fossil: Moroccan Jurassic starfish fossil. 8.5” x 5.5” x .75”. 1 pound, 12 ounces.

2026

Moroccan Jurassic Starfish Fossil

Fossils & Gemstones of HoustonHouston, TX

Moroccan Jurassic Starfish Fossil: Moroccan Jurassic starfish fossil. 6.5” x 7” x .5”. 1 pound, 8 ounces.

2026

Moroccan Jurassic Starfish Fossil

Fossils & Gemstones of HoustonHouston, TX

Rare Double-Chambered Amethyst Cathedral Geode Set: Matching, rare and unique double-chambered amethyst cathedral set from Brazil. One half is 13” x 8.25 x 4.5". Other is 12.75” x 8.25” x 4”. 44 pounds, 6 ounces total.

2026

Rare Double-Chambered Amethyst Cathedral Geode Set

Fossils & Gemstones of HoustonHouston, TX

Uruguayan Amethyst Cluster: Dark purple freestanding Uruguayan amethyst cluster. 9.5" x 6.5” x 6.5". 11 pounds, 8 ounces.

2026

Uruguayan Amethyst Cluster

Fossils & Gemstones of HoustonHouston, TX

Polished Labradorite Freeform: Polished labradorite freeform from Madagascar. 6.25” x 3” x 1.5”. 2 pounds, 2 ounces.

2026

Polished Labradorite Freeform

Fossils & Gemstones of HoustonHouston, TX

Mosasaur Tooth Fossil in Matrix: Mosasaur tooth fossil in matrix from Morocco. 3.75" x 3.5" x 1.75". 330 grams.

2026

Mosasaur Tooth Fossil in Matrix

Fossils & Gemstones of HoustonHouston, TX

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24

Fossils Auctions

Rare Fossilized Dinocrocuta Skull, Terrible Hyena

Large Woodland Period Steatite Platform Pipe

Roman Imperial Silver Cup with Twin Handles

Fossils | Native American | Ethnographic Art

Artemis Fine Arts

Starts on:

Louisville, CO, US

5 days Left

Massive Chinese Village Silkscreen Print Roll, 13' L

Lovely Hand Crafted Necklace, Mixed Mineral Beads

French Gilt Bronze & Porcelain Mantle Clock, Louis XVI-style

Warehouse: Minerals, Jewelry & Estates

Scollard Auctions

Starts on:

Brea, CA, US

The Great Estate Gem & Antique Discovery Sale

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

1 day Left

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