Antique & Vintage Fossils for Sale in Online Auctions

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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

18.50ct Sky Blue Tourmaline Oval Cut No Reserve VGL Certified: An 18.50-carat Sky Blue Tourmaline is a significant gemstone. Featuring a bright, transparent color reminiscent of tropical waters, an oval cut maximizes brilliance in high-carat stones. This size and

2026

18.50ct Sky Blue Tourmaline Oval Cut No Reserve VGL Certified

California GemstonesSan Diego, CA

3ct Brazilian Neon Blue Tourmaline Emerald Cut No Reserve GIE Certified: Investment-grade gemstone. It features a, vivid, internally lit neon-blue hue caused by copper, fashioned into a precise, rectangular step-cut that highlights its superior clarity and brilliance. Thes

2026

3ct Brazilian Neon Blue Tourmaline Emerald Cut No Reserve GIE Certified

California GemstonesSan Diego, CA

11.55ct Afghanistan Green Tourmaline Pear Cut Super Clarity No Reserve: This 11.55-carat Afghan green tourmaline is a high-quality pear-cut gem, featuring intense, vibrant green hues characteristic of the region. It is described as having "superior" clarity, offering exce

2026

11.55ct Afghanistan Green Tourmaline Pear Cut Super Clarity No Reserve

California GemstonesSan Diego, CA

3ct Sri Lankan Green Sapphire Round Cut GIE Certified: highly durable, and brilliant gemstone. These stones typically feature deep to medium green hues, sometimes with blue undertones. Exhibiting good clarity with high-quality, brilliant faceting that max

2026

3ct Sri Lankan Green Sapphire Round Cut GIE Certified

California GemstonesSan Diego, CA

2.9ct Brazilian Amethyst Octogon Cut No Reserve: Colombian Green Emerald Lot Round Cut 5mm 15pcs

2026

2.9ct Brazilian Amethyst Octogon Cut No Reserve

California GemstonesSan Diego, CA

Collection of Assorted Natural Seashells: Collection of assorted natural seashells, including starfish, sand dollars, and various mollusk shells. DImenions: Ranges from 2, 3, 4, 11 inches

2026

Collection of Assorted Natural Seashells

Williamson Auction GalleryHollywood, FL

TWO SEASHELLS: 3 1/2" h x 7 1/2" w x 5" d.

2026

SS Auction, Inc.Repaupo, NJ

3 PIECE MALACHITE EGGS & STAND: 3 pieces. Malachite. Russian. One egg measures 2 1/2" h x 1" diameter. Second egg measures 2" h x 1" diameter. Stand measures 4" h x 2 1/8" diameter,

2026

3 PIECE MALACHITE EGGS & STAND

SS Auction, Inc.Repaupo, NJ

XL MEGALODON SHARK Tooth Fossil: XL MEGALODON SHARK Tooth Fossil. It measures 4 5/8" Long from the Top Corner to the Tip and the Total Weight is 9 oz. MEGALODON SHARK TEETH

2026

XL MEGALODON SHARK Tooth Fossil

Western Sportsman LLCFort Worth, TX

Big AMMONITE FOSSIL Specimen, Weight: 9 lbs: Big AMMONITE Fossil Specimen from Morocco. It measures 9 7/8" Long x 8 5/8" Wide x 3.75" Thick and the Total Weight is 9 lbs 9 oz. This is a large, well-preserved specimen from the Cretaceous and

2026

Big AMMONITE FOSSIL Specimen, Weight: 9 lbs

Western Sportsman LLCFort Worth, TX

XXL Fossilized MOSASAUR Jaw Section with 13 Fully Rooted Teeth: XXL Fossilized MOSASAUR Jaw Section with 13 Fully Rooted Teeth. This is an awesome specimen from Morocco that measures 26" Long x 5 5/8" Wide x 2" Thick. The Total Weight is 4 lbs 4 oz. Mosasaurs

2026

XXL Fossilized MOSASAUR Jaw Section with 13 Fully Rooted Teeth

Western Sportsman LLCFort Worth, TX

AMETHYST Geode Cathedral, Weight: 31 lbs: Incredible AMETHYST Geode Cathedral. It measures 11.75" Tall x 10.5" Wide x 7 7/8" Depth and the Total Weight is 31 lbs 15 oz. This Amethyst Geode Cathedral was mined in Brazil and is a truly imp

2026

AMETHYST Geode Cathedral, Weight: 31 lbs

Western Sportsman LLCFort Worth, TX

Big AMETHYST Geode Cathedral, Weight: 27 lbs: Stunning AMETHYST Geode Cathedral. It measures 18.75" Tall x 8" Wide x 7" Depth and the Total Weight is 27 lbs 15 oz. This Amethyst Geode Cathedral was mined in Brazil and has vibrant colors and nice

2026

Big AMETHYST Geode Cathedral, Weight: 27 lbs

Western Sportsman LLCFort Worth, TX

XL Natural Arkansas CLEAR QUARTZ CRYSTAL Specimen, Weight: 17 lbs: XL Natural Arkansas CLEAR QUARTZ CRYSTAL Specimen. It measures 12.5" Long x 8.5" Wide x 5.5" Tall and the Total Weight is 17 lbs 8 oz. Arkansas quartz crystal is world-renowned for its exceptional cla

2026

XL Natural Arkansas CLEAR QUARTZ CRYSTAL Specimen, Weight: 17 lbs

Western Sportsman LLCFort Worth, TX

SOLD

Vintage 9k Gold Green Tiger Eye Stickpin: Title: Vintage 9k Gold Green Tiger Eye Stickpin Description: Vintage 9k Gold Green Tiger Eye Stickpin No Hallmarked Seen: Tested as 9k Yellow Gold Weighs 2.7 grams Measures Approx. 2.75 x .25 inches D

2026

Vintage 9k Gold Green Tiger Eye Stickpin

Chairish AuctionsNew York, NY

Loose Diamond - OVAL 1.57ct F VVS2: Loose Diamond - OVAL 1.57ct F VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 1.57 Color: F Clarity: VVS2 Certification: NONE Video:

2026

Loose Diamond - OVAL 1.57ct F VVS2

Mynt AuctionsNew York, NY

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Fossils Auctions

Zamble Antelope Mask

Fossilized Sabertooth Skull in Matrix

Egyptian Painted Wood Sarcophagus Fragment, TIP

DAY 2: African, Tribal, Fossils, Antiquities

Artemis Fine Arts

Starts on:

Louisville, CO, US

Signed Handel Triple Scrolled Case Base & Geometric Leaded Glass Shade

Designer 18k White Gold & 2 Carat Diamond Earrings

Syd Solomon (American, 1917-2004) Original Abstract Oil and Acrylic on Canvas 'Dawnote'

May Estate & Jewelry Auction

Heritage Gallery Auctions

Starts on:

Patchogue, NY, US

Hand-Carved Wooden Figurine of Bearded Man on Stand

JAPANESE KREISS AND COMPANY FIGURINE VINTAGE ANTIQUE

JEWELRY SALE! ROCK STONE LAPIDARY SPECIMEN

ESTATE AUCTION Antique Crystals Jewelry

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

2 days Left

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