Coral Fossils

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FIVE UNMOUNTED FACETED AMETHYSTS: Five unmounted amethyst stones comprising; one rectangular cushion cut weighing approximately 33.70 carats, one rectangular step cut weighing approximately 42.0 carats, two pear shaped each weighing a

2026

FIVE UNMOUNTED FACETED AMETHYSTS

Ahlers & Ogletree Auction GalleryAtlanta, GA

Authentic Nantan & Moroccan Desert Meteorites: The larger Nantan Meteorite weighs 5 1/2 Lbs., and the one from Morocco is around 5 to 6 ounces. Meteorites can be hard to detect and find. Depending on the type, size, and material, they can be very

2026

Authentic Nantan & Moroccan Desert Meteorites

LEAP AuctionsSpringtown, TX

4 Pairs of Polished Fossilized Mammoth Molar Panels: North America or Siberia, Pleistocene Epoch, ca. 2.6 million to 10,000 years ago. A group of four matched pairs of fossilized mammoth molar panels, each cut and polished to a smooth finish that highli

2026

4 Pairs of Polished Fossilized Mammoth Molar Panels

Artemis Fine ArtsLouisville, CO

Very Large Mosasaur Tooth with Young Mosasaur Jaw Piece: The big tooth is naturally from a large Adult, while the jaw piece with three teeth is from a younger Mosasaur. These items would be good to start a fossil collection with, or make a great gift for so

2026

Very Large Mosasaur Tooth with Young Mosasaur Jaw Piece

LEAP AuctionsSpringtown, TX

Smaller Amethyst Angel Wings on Fitted Stand: Smaller Amethyst Angel Wings on Fitted Stand, a natural geode cut in half exposing the amethyst crystals inside. On custom fitted metal stand. Dimensions: Total height including stand 24.5 x 14.25 x 8

2026

Smaller Amethyst Angel Wings on Fitted Stand

Neue AuctionsBeachwood, OH

Authentic Fall of 1516 Nantan Iron Meteorite 3 1/2 LBS.: In the year 1516, the skies lit up over Nantan Province, China. Hundreds, if not thousands of Meteorites like this one hit the ground. Most are gone now, but this one survived in its natural state. Th

2026

Authentic Fall of 1516 Nantan Iron Meteorite 3 1/2 LBS.

LEAP AuctionsSpringtown, TX

Natural Rough Uncut 278.5Cts. Yellow Sapphire Gemstone from Sri Lanka with COA card: This beautiful rough Gemstone comes from more than half a dozen colors, and in different color forms. Sapphires are highly desired by many jewelry lovers.

2026

Natural Rough Uncut 278.5Cts. Yellow Sapphire Gemstone from Sri Lanka with COA card

LEAP AuctionsSpringtown, TX

Three Different Types of Real Dinosaur Teeth in Display Cases: Here we have Dromaeosaur Tooth with partial root. The Hadrosaur and Triceratops teeth are shed teeth. In other words, when these teeth got worn down from use, they became loose and spit out by the Din

2026

Three Different Types of Real Dinosaur Teeth in Display Cases

LEAP AuctionsSpringtown, TX

Fossilized Floating Crinoid Scyphocrinites w/ Pyrite: North Africa, Morocco, Erfoud region, Silurian to early Devonian era, ca. 443 to 400 million years ago. A well-preserved crinoid fossil of Scyphocrinites elegans displayed in relief within a dark ston

2026

Fossilized Floating Crinoid Scyphocrinites w/ Pyrite

Artemis Fine ArtsLouisville, CO

Authentic Triassic Period Redondasaurus: This tooth was recovered in Triassic Formations in New Mexico. This is a large and high Tooth from Redondasaurus, who was one of the very first Dinosaurs known. They were like a large Crocodile with m

2026

Authentic Triassic Period Redondasaurus

LEAP AuctionsSpringtown, TX

Large Amethyst Angel Wings on Fitted Stand: Large Amethyst Angel Wings on Fitted Stand, a natural geode cut in half exposing the amethyst crystals inside. On custom fitted metal stand. Dimensions: Total height including stand 37 x 26 x 13 in. D

2026

Large Amethyst Angel Wings on Fitted Stand

Neue AuctionsBeachwood, OH

FLAWLESS BLUISH GREEN TOURMALINE GEMSTONE - 13X5X4 mm: FLAWLESS BLUISH GREEN TOURMALINE GEMSTONE - 13X5X4 mm

2026

FLAWLESS BLUISH GREEN TOURMALINE GEMSTONE - 13X5X4 mm

Fantasy JewelryMuscat, AE

A Whakaturi Paua Shell Lidded Box and an Assortment of Polished Gemstones and Crystal: This lot consists of a contemporary lidded decorative box and a collection of various mineral specimens. The rectangular box features a mosaic exterior composed of iridescent blue and green paua shell

2026

A Whakaturi Paua Shell Lidded Box and an Assortment of Polished Gemstones and Crystal

Kellie's Estate SalesOkemos, MI

1.80ct Mogok Ruby Oval Cut No Reserve GIE Certified: This 1.80ct natural oval-cut ruby from the renowned Mogok region of Myanmar features a vibrant pinkish-red color, exceptional clarity, and an excellent cut. Mogok rubies are highly prized for their na

2026

1.80ct Mogok Ruby Oval Cut No Reserve GIE Certified

California GemstonesSan Diego, CA

4.2ct Blue Spinel Round Cut from Sri Lanka AGSL Certified No reserve: features a brilliant blue hue, high clarity, and excellent durability, found in alluvial deposits. Certified by AGSL, this substantial size suggests a premium investment piece, sourcing for the rare b

2026

4.2ct Blue Spinel Round Cut from Sri Lanka AGSL Certified No reserve

California GemstonesSan Diego, CA

9.8ct Maine USA Sparhawk Teal Tourmaline Trillion Cut No Reserve GGL Certified: Significant specimen of American gemstone history. Sparhawk tourmalines are prized for their unique mint-green-teal color and were discovered at the Sparhawk mine in Poland, Maine, approximately 25–

2026

9.8ct Maine USA Sparhawk Teal Tourmaline Trillion Cut No Reserve GGL Certified

California GemstonesSan Diego, CA

3.6ct Mogok Pink Ruby Round Cut PAIR 7.2 tcw: two natural pink rubies, each weighing approximately 3.6 carats, for a total combined weight of 7.2 carats. Sourced from the legendary Mogok Valley in Myanmar, these stones are highly prized for their

2026

3.6ct Mogok Pink Ruby Round Cut PAIR 7.2 tcw

California GemstonesSan Diego, CA

12.10 Carat Deep Purple Raspberry Amethyst Round Cut from Brazil EGL Certified: a high-clarity, round-cut gemstone characterized by a deep, vivid violet hue and excellent, transparency. This untreated, large-carat stone (Mohs hardness 7) is ideal for statement jewelry, offering a

2026

12.10 Carat Deep Purple Raspberry Amethyst Round Cut from Brazil EGL Certified

California GemstonesSan Diego, CA

9.2ct Colombian Emerald Trillion Cut No Reserve GGL Certified: characterized by its triangular shape, intense green color, and superior brilliance. Colombian emeralds are prized for their pure green hues, often with slight blue undertones, and typically display e

2026

9.2ct Colombian Emerald Trillion Cut No Reserve GGL Certified

California GemstonesSan Diego, CA

10.15ct Brazilian Amethyst Emerald Cut No Reserve GGL Certified: a substantial, high-clarity gemstone known for its deep purple color and geometric faceting. Brazilian material is celebrated for its excellent, rich, and consistent color.

2026

10.15ct Brazilian Amethyst Emerald Cut No Reserve GGL Certified

California GemstonesSan Diego, CA

6ct tcw Ruby Round Cut No Reserve Lab Grown: A pair of lab-grown ruby round-cut stones features a vibrant, fiery pidgeon blood red color with excellent clarity. 3ct per stone. These lab-created synthetic corundum gems possess identical chemical,

2026

6ct tcw Ruby Round Cut No Reserve Lab Grown

California GemstonesSan Diego, CA

6 Carats Brazilian Blue Paraiba Tourmaline Pear Cut No Reserve EGL Certified: High-quality example showing extreme clarity. Unheated or treated showing a light original blue. The pear shape is popular to showcase the color and maximize the spread of the crystal. A well-cut ston

2026

6 Carats Brazilian Blue Paraiba Tourmaline Pear Cut No Reserve EGL Certified

California GemstonesSan Diego, CA

2.55 Carat Royal Blue Tanzanite Trillion Cut: Highly desirable gemstone, often characterized by its deep, vibrant color and exceptional brilliance.

2026

2.55 Carat Royal Blue Tanzanite Trillion Cut

California GemstonesSan Diego, CA

5.1ct Brazilian DEEP Blue Sapphire Oval Cut No Reserve: Characterized by a rich, dark blue coloration indicative of its origin. Brazilian sapphires are generally darker than their Ceylon counterparts, with strong color saturation. They may exhibit minor na

2026

5.1ct Brazilian DEEP Blue Sapphire Oval Cut No Reserve

California GemstonesSan Diego, CA

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Fossils Auctions

Saber-Toothed Tiger Fossil Skull, Late Miocene — Complete Dentition

Mimbres Black-on-White Pottery Bowl - Standing Woman, Kill Hole

Persian Siljuk Bronze Lamp Stand, Khorasan Region

Fine Fossils, Native American, Asian, Ethno

Artemis Fine Arts

Starts on:

Louisville, CO, US

Michoacan Pottery Figure - Seated Dignitary in Headdress

Prehistoric Complete Oreodont Femur Bone Fossil

18th c. Italian Engraving after Reni - Apollo & Aurora

VARIETY SALE Pre-Columbian, Ethnographic Art

Artemis Fine Arts

Starts on:

Louisville, CO, US

4 11/16" Thebes, Dickey COA, Calhoun Co., Illinois, Found Near the Illinois River

18" x 8 1/2" Large Mammoth Jaw and Tooth Fossil, Recovered from Alaskan Permafrost

10 3/4" Pre-Columbian Moche Culture Stirrup Vessel, Northern Coastal Peru

Pre-Columbian, Native American Artifacts

Heartland Artifact Auctions

Starts on:

Quincy, IL, US

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