Hamilton Fossils

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10.24ct Natural Freshwater Pearl - Smooth Lavender Sphere 11.5mm, 44YG: This specimen is natural freshwater pearl, fully polished into a uniform spherical cabochon displaying soft lavender nacre iridescence with muted dark reflective central tones. Minor faint surface scr

2026

10.24ct Natural Freshwater Pearl - Smooth Lavender Sphere 11.5mm, 44YG

ThousandPlanetSathorn, Bangkok

Loose Diamond - Round 3.43ct F VS1: Loose Diamond - Round 3.43ct F VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: Round Carats: 3.43 Color: F Clarity: VS1 Certification: IGI Condition: Pre-Owned PLEASE

2026

Loose Diamond - Round 3.43ct F VS1

BidhausNew York, NY

Loose Diamond - HEART 5.01ct Fancy Vivid Pink VS2: Loose Diamond - HEART 5.01ct Fancy Vivid Pink VS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: HEART Carats: 5.01 Color: Fancy Vivid Pink Certification: IGI Video:

2026

Loose Diamond - HEART 5.01ct Fancy Vivid Pink VS2

BidhausNew York, NY

Loose Diamond - PRINCESS 5.55ct D VS1: Loose Diamond - PRINCESS 5.55ct D VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: PRINCESS Carats: 5.55 Color: D Clarity: VS1 Certification: IGI Condition: Pre-Owned P

2026

Loose Diamond - PRINCESS 5.55ct D VS1

BidhausNew York, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 26" TALL, 8" AT IT'S WIDEST 29.5 KILOGRAMS

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 13" TALL AND 12.5" AT IT'S WIDEST. 25 KG

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

A MASSIVE APOPHYLLITE SPECIMEN WITH STILBITE: 28" LONG AND 11.5" WIDE HERE IS ONE OF THE MOST GORGEOUS APOPHYLLITE SPECIMENS WITH STILBITE THAT I HAVE EVER HAD

2026

A MASSIVE APOPHYLLITE SPECIMEN WITH STILBITE

J. Greenstein & Co., Inc.Cedarhurst, NY

A GORGEOUS APHOPYLLITE CLUSTER SPECIMEN: About 11" across, very substancial specimen

2026

A GORGEOUS APHOPYLLITE CLUSTER SPECIMEN

J. Greenstein & Co., Inc.Cedarhurst, NY

A POLISHED LABRADORITE SPECIMEN: Madagascar. 7.7” x 4.5” x 1.7”. 2294.8 grams.

2026

A POLISHED LABRADORITE SPECIMEN

J. Greenstein & Co., Inc.Cedarhurst, NY

A RARE SCOLECITE SPECIMEN FORMATION: Rare and delicate scolecite specimen from the Deccan Basalts, Aurangabad, Maharashtra, India 9" wide.

2026

A RARE SCOLECITE SPECIMEN FORMATION

J. Greenstein & Co., Inc.Cedarhurst, NY

A RARE SCOLECITE SPECIMEN FORMATION: Rare and delicate scolecite specimen from the Deccan Basalts, Aurangabad, Maharashtra, India 9.2" wide.

2026

A RARE SCOLECITE SPECIMEN FORMATION

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 24" TALL, 7.5" AT IT'S WIDEST 23.6 KILOGRAMS

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 27" tall and 7.5" at it's widest. 32.45 kilogrames

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT: light purple in color. With a nice soft blue polished rim. kilograms and 19" tall.

2026

HIGHLY POLISHED AMETHYST GEODE. HUGE AND MAGNIFICENT

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 21.5" TALL AND 8" AT IT'S WIDEST, 21.5 KILOGRAMS

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

A MASSIVE POLISHED LABRADORITE SPECIMEN.: Here is a magnificent LABRADORITE specimen just about 13" X 11" X 14"

2026

A MASSIVE POLISHED LABRADORITE SPECIMEN.

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 17.5" TALL X 7" WIDE 20.10 KILOGRAMS

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 25.5" tall and 9.5" at it's widest. Weignt is 30.7 kilograms

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

A POLISHED LABRADORITE SPECIMEN: Madagascar. 9.4” x 5.5” x 2”. 4090 grams

2026

A POLISHED LABRADORITE SPECIMEN

J. Greenstein & Co., Inc.Cedarhurst, NY

A VERY LARGE ZEOLITE SPECIMEN: 11" tall not including stand. Nice peach/pink color

2026

A VERY LARGE ZEOLITE SPECIMEN

J. Greenstein & Co., Inc.Cedarhurst, NY

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES: 25.5" tall and 9" at it's widest. 28.05 kilogrames

2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.Cedarhurst, NY

SOLD

Title: Natural Moonstone Oval Faceted Gemstone 8x6 mm – White With Blue FlashDescription:: Title: Natural Moonstone Oval Faceted Gemstone 8x6 mm – White With Blue FlashDescription: Beautiful natural Moonstone in an oval faceted cut measuring 8 x 6 mm. This gemstone displays a so

2026

Title: Natural Moonstone Oval Faceted Gemstone 8x6 mm – White With Blue FlashDescription:

William GeorgeMultiple sites

HORSE CABOCHON ROCK STONE LAPIDARY SPECIMEN: HORSE CABOCHON ROCK STONE LAPIDARY SPECIMEN

2026

HORSE CABOCHON ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

ELLENSBURG AGATE ROCK STONE LAPIDARY SPECIMEN: ELLENSBURG AGATE ROCK STONE LAPIDARY SPECIMEN

2026

ELLENSBURG AGATE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

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24

Fossils Auctions

Moroccan Jurassic Starfish Fossil

Pink Halite Cluster

Yellow Dogtooth Calcite Formation

Summer Rock and Fossil Clearance Auction

Fossils & Gemstones of Houston

Starts on:

Houston, TX, US

Colima Pottery Shaman Figural Vessel | Horned Headdress

Steppe Bison (Bison priscus) Partial Skull, Horn Cores

Chinese Han Painted Pottery Horse Torso, ex-de Coux

Cultural Discoveries: Ancient / Ethnographic

Artemis Fine Arts

Starts on:

Louisville, CO, US

3 days Left

Superb Iatmul Mask, Papua New Guinea

Fine Borneo Shaman Bin with Lid

Early Japanese Oni Demon Mask

Fine Ethnographic, Asian & Antiques

Inspired Auctions

Starts on:

Brea, CA, US

22 hrs Left

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