Modern Fossils

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2 Large Mosasaur Fossil Slabs, Vertebrae, Skull & Teeth: North Africa, Upper Cretaceous, ca. 80 to 66 million years ago. Two stone matrices preserving the fossilized remains of a Mosasaur, including a section of the spinal column and portions of the upper s

2026

2 Large Mosasaur Fossil Slabs, Vertebrae, Skull & Teeth

Artemis Fine ArtsLouisville, CO

Four Fossilized Fish Matrices from Around the World: North America, Europe, & Asia, Eocene to Cretaceous, ca. 143 to 48.5 million years ago. A collection of small stone matrices preserving fossilized fish from four distinct localities and time periods.

2026

Four Fossilized Fish Matrices from Around the World

Artemis Fine ArtsLouisville, CO

3.85 Cts AAA Purple Amethyst Cut Gemstone – February Birthstone 10x9x8 mm: Beautiful 3.85 carats AAA quality Purple Amethyst cut gemstone featuring a vibrant violet hue, excellent clarity, and brilliant sparkle. Measuring 10x9x8 mm, this natural February birthstone is ideal

2026

3.85 Cts AAA Purple Amethyst Cut Gemstone – February Birthstone 10x9x8 mm

Fantasy JewelryMuscat, AE

Old Baltic Amber Chunk like candy !! amazing piece Lot# BE 337: Old Baltic Amber Chunk like candy !! amazing piece measures 1 3/8" x 1" weighs 2.84 grams

2026

Old Baltic Amber Chunk like candy !! amazing piece Lot# BE 337

GarageHudson, Qc

4.9 Cts AAA Purple Amethyst Cut Gemstone – February Birthstone 12x9x8 mm: Elegant 4.9 carats AAA quality Purple Amethyst cut gemstone featuring a rich violet color, excellent clarity, and dazzling brilliance. Measuring 12x9x8 mm, this natural February birthstone is perfect

2026

4.9 Cts AAA Purple Amethyst Cut Gemstone – February Birthstone 12x9x8 mm

Fantasy JewelryMuscat, AE

Deep Purple Amethyst Gemstone – 4.85 Cts Natural Loose Stone 14x10x7 mm: Stunning 4.85 carats natural deep purple Amethyst gemstone featuring rich violet color, excellent clarity, and brilliant sparkle. Measuring 14x10x7 mm, this elegant loose gemstone is perfect for custo

2026

Deep Purple Amethyst Gemstone – 4.85 Cts Natural Loose Stone 14x10x7 mm

Fantasy JewelryMuscat, AE

Barite Crystals w Manganite Cartersville Georgia: 8 oz. Includes specimen tag with location and collected by Peter P. Tescione Jr. 3 1/2" x 3 1/2". Provenance: Collection of William and Diane Itter.

2026

Barite Crystals w Manganite Cartersville Georgia

Estate & Downsizing Specialists LLCBloomington, IN

Red Pipe Organ Coral Specimen Tubipora musica: 10" x 5 1/2" x 7" specimen. Vibrant color with some fading. 2lbs 6oz. Provenance: Collection of William and Diane Itter.

2026

Red Pipe Organ Coral Specimen Tubipora musica

Estate & Downsizing Specialists LLCBloomington, IN

17.5 KG Rare Green Serpentine Sphere Best Quality Healing Energy Stone - 8.5 Inch Diameter: 17.5 KG Rare Green Serpentine Sphere Best Quality Healing Energy Stone - 8.5 Inch DiameterShipping Rate: FREE SHIPPING .shipping rates are determined by Parcel weight and destination.Combined shipping

2026

17.5 KG Rare Green Serpentine Sphere Best Quality Healing Energy Stone - 8.5 Inch Diameter

Fantasy JewelryMuscat, AE

14.05 Carat Colombian Emerald Brilliant Step Cut VG Certified: high-weight gemstone possess a light green color, characteristic of Chivor regions. This type of cut is designed to maximize the color saturation while offering a "hall of mirrors" effect with superio

2026

14.05 Carat Colombian Emerald Brilliant Step Cut VG Certified

California GemstonesSan Diego, CA

10.00 Carat Brazilian Neon Blue Tourmaline Fancy Cut GIE Certified: An exceptional, valuable gemstone, characterized by its intense, electric "Windex" blue or cyan color, which is caused by copper and manganese. A stone of this size and origin is considered a "collect

2026

10.00 Carat Brazilian Neon Blue Tourmaline Fancy Cut GIE Certified

California GemstonesSan Diego, CA

9.20 Carat --- Ceylon Pink Sapphire --- Round Brilliant Cut --- EGL Certified: 9.20 Carat --- Ceylon Pink Sapphire --- Round Brilliant Cut

2026

9.20 Carat --- Ceylon Pink Sapphire --- Round Brilliant Cut --- EGL Certified

California GemstonesSan Diego, CA

14.05 Carat Colombian Emerald Brilliant Step Cut VG Certified: high-weight gemstone possess a light green color, characteristic of Chivor regions. This type of cut is designed to maximize the color saturation while offering a "hall of mirrors" effect with superio

2026

14.05 Carat Colombian Emerald Brilliant Step Cut VG Certified

California GemstonesSan Diego, CA

10.40 Carat Colombian Green Emerald Brilliant Round Cut GIR Certified: Investment-Collector grade stone. A brilliant round cut, is a highly significant, rare, and valuable gemstone. Colombian emeralds are world-renowned for their intense, pure green color and superior cr

2026

10.40 Carat Colombian Green Emerald Brilliant Round Cut GIR Certified

California GemstonesSan Diego, CA

9.25 Carat Tanzanite Trillion Cut EGL Certified: a substantial collector-grade gemstone known for its triangular brilliance and deep blue-to-violet hues. Featuring 31 to 50 facets to maximize sparkle and color saturation. Color Grade could be descri

2026

9.25 Carat Tanzanite Trillion Cut EGL Certified

California GemstonesSan Diego, CA

9.7 Carat --Brazilian Royal Blue Aquamarine --Fancy Cut --EGL Certified: Originating from Minas Gerais. Tremendous clarity despite "rain inclusions". Fancy-cut faceting designed to maximize brilliance. The term "Royal Aquamarine" is often associated with the significant, r

2026

9.7 Carat --Brazilian Royal Blue Aquamarine --Fancy Cut --EGL Certified

California GemstonesSan Diego, CA

10.70 Carat Beautiful Myanmar Ruby Round Cut GIR Certified: Untreated Burmese red ruby, featuring a vibrant, deep red color often described as pigeon blood red. The stone is expertly cut into a round, faceted shape—often in a brilliant-cut style—to maximiz

2026

10.70 Carat Beautiful Myanmar Ruby Round Cut GIR Certified

California GemstonesSan Diego, CA

8.19 Carat Striking Purple Amethyst Oval Cut IGI Certified: Combination of characteristics results in a substantial, eye-catching gemstone suitable for statement jewelry such as rings or pendants. Investment-grade gemstone suitable for statement jewelry.

2026

8.19 Carat Striking Purple Amethyst Oval Cut IGI Certified

California GemstonesSan Diego, CA

11.00 Carat Sparkling Green Garnet Round Cut GGI Certified: An 11.00 carat (approx.) natural green garnet with a round cut is a rare and substantial, high-carat gemstone, likely categorized as a Green Tsavorite or a similar grossular garnet variety. Due to the

2026

11.00 Carat Sparkling Green Garnet Round Cut GGI Certified

California GemstonesSan Diego, CA

11.4 Carat Montana Green Sapphire Trillion Cut GGI Certified: Visually striking gemstone. Sourced from Potentate Mining near Rock Creek. Light Teal-green tones leave quite an impression. Unheated, Untreated, with unbelievable clarity this stone is definitely a c

2026

11.4 Carat Montana Green Sapphire Trillion Cut GGI Certified

California GemstonesSan Diego, CA

3 Carat Ceylon Green Sapphire Round Cut GIE Certified: A significant, high-clarity, and rare-colored gemstone. Such stones are sought after for their unique, intense color mix and precise, modern cutting.

2026

3 Carat Ceylon Green Sapphire Round Cut GIE Certified

California GemstonesSan Diego, CA

3 Carat Burmese Pigeon Blood Red Ruby Oval Cut GGI Certified: A premier gemstone, exhibiting the coveted "pigeon's blood" color, high fluorescence, and slightly included (SI) clarity. Originating from Mogok. Features a brilliant oval cut to maximize color and we

2026

3 Carat Burmese Pigeon Blood Red Ruby Oval Cut GGI Certified

California GemstonesSan Diego, CA

4.3 Carat --- Green Peridot --- Oval Cut --- Certified: 4.3 Carat --- Green Peridot --- Oval Cut

2026

4.3 Carat --- Green Peridot --- Oval Cut --- Certified

California GemstonesSan Diego, CA

SOLD

Fossil Bronze Tone Abstract Design Watch: Needs battery

2026

Fossil Bronze Tone Abstract Design Watch

Poinsett Auction & Realty, Inc.Travelers Rest, SC

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24

Fossils Auctions

Beautiful Malachite Dish, 454 grams

Quartz Carved Cockatoos on Pyrite Cluster, 104 grams

Fine Ancient Meteorite Specimen

Summer Jewelry, Fossils and Minerals Auction

Inspired Auctions

Starts on:

Brea, CA, US

Arietites bucklandi.Cenoceras sp.

A SPRING COUNTRYSIDE SCENE

A BLACK 'DIPLOMAT' ARMCHAIR

2026 Ethereal Auctioneers Spring Auction-1

Ethereal Auctioneers

Starts on:

Taipei City, ???, TW

4 days Left

Taino Stone Petaloid Celt Axe - Carved Cemi Face

Extremely Rare Caddo Pottery Tri-Lobed Seed Jar

18th C. European Portrait of a Gentleman by Stuart

Pre-Columbian | Antiquities | Fine Arts

Artemis Fine Arts

Starts on:

Louisville, CO, US

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