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2.28ct Unheated-Loose Bi-Colored Montana Sapphire: Mineral/Gemstone: Genuine Corundum Sub-Category/Color: Blue Sapphire State: Loose, Cut & Faceted Weight: 2.28 CT Geographic Origin: Montana, USA Birthstone for: SEPTEMBER A striking 2.28 carat Montana

6 days Left

2.28ct Unheated-Loose Bi-Colored Montana Sapphire

Bidfair Fine Jewelry

A beautiful Hetian topaz accessory: Exquisite Hetian topaz accessories Size:W:3.8×2.2cmW:60g (The Dimensions Of All Batches Are Manually Measured.If You Need More Detailed Information, Please Contact Our Customer Service Before Bidding

Apr 18, 2026

A beautiful Hetian topaz accessory

Admirable Collections

A RARE SCOLECITE SPECIMEN FORMATION: Rare and delicate scolecite specimen from the Deccan Basalts, Aurangabad, Maharashtra, India 6" wide.

Apr 21, 2026

A RARE SCOLECITE SPECIMEN FORMATION

J. Greenstein & Co., Inc.

A LARGE AMETHYST GEODE POLISHED EDGES: 17.4 KILOGRAMS AND 16" TALL. light blue in color. deep cavelike

Apr 21, 2026

A LARGE AMETHYST GEODE POLISHED EDGES

J. Greenstein & Co., Inc.

One meteorite pendant.: Meteorite pendant, measuring 8x5.8 centimeters and weighing 142 grams.

2 days Left

One meteorite pendant.

TOISHINSEI Co., Ltd.

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

Apr 21, 2026

AMETHYST CATHEDRAL GEODE WITH POLISHED EDGES

J. Greenstein & Co., Inc.

A LARGE AMETHYST GEODE POLISHED EDGES: 14.85 KILOGRAMS AND 17" TALL. Light in color.

Apr 21, 2026

A LARGE AMETHYST GEODE POLISHED EDGES

J. Greenstein & Co., Inc.

Velvety Malachite Formation: Velvety malachite formation from the DR Congo. 6.5" x 4.25" x 2.5". 2 pounds, 1 ounces.

Apr 26, 2026

Velvety Malachite Formation

Fossils & Gemstones of Houston

Scientific sample of a Hymenophyllum dilatatum collected at Wellington New Zealand 1862-63: . Medium Natural History, Fossils & Minerals Exhibited Fossils, Plants & Petrified Wood

Scientific sample of a Hymenophyllum dilatatum collected at Wellington New Zealand 1862-63

Smalls Auctions

2.42ct Faceted Emerald Oval Gemstone: Faceted Emerald Oval For many, emerald is considered to be the symbol of rebirth. It is also believed to represent good fortune, youth, balance, growth, peace, and foresight. Size- 9.2x8.0 mm, Weight-

4 days Left

2.42ct Faceted Emerald Oval Gemstone

Weatherham Estate Treasures

PURPLE GLASS RIBBON LUTZ SWIRL MARBLE: 7/8" diam. Purple translucent base with white ribbon and nice lutz banding. Condition: (9.8). Dimensions: 7/8" Dia.

5 days Left

PURPLE GLASS RIBBON LUTZ SWIRL MARBLE

Dan Morphy Auctions

A BLUE GLASS CONCH SHELL: A blue glass conch shell decorated with imperial poem inscription. Length 18 cm.

Apr 13, 2026

A BLUE GLASS CONCH SHELL

China Arts Auction

Chinese 19thC Fluorite "Crackle" Vessel: Chinese 19th century fluorite "crackle" vessel, 4 3/4" on 1 3/4" stand; 8 1/2" x 5 1/4". Provenance: Estate of Thomas Nicholson of Palm Beach, Florida and Stratham, New Hampshire.

Apr 19, 2026

Chinese 19thC Fluorite "Crackle" Vessel

Kaminski Auctions

6.00 Cts Best Flash Look Star Sapphire: Perfect 6.00 carat star sapphire with optimal flash and defined 6-ray star. Balanced size and superior optics.

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6.00 Cts Best Flash Look Star Sapphire

Nile Jewels Co Ltd

WHITE OPALESCENT BANDED LUTZ: 29/32" diam. White opalescent base with white bands with heavy Lutz banding. Condition: (9.7). Dimensions: 7/8" Dia.

5 days Left

WHITE OPALESCENT BANDED LUTZ

Dan Morphy Auctions

WARRING STATES PERIOD MULTIFACETED CRYSTAL: Name WARRING STATES PERIOD MULTIFACETED CRYSTAL Dimensions H:1.5CM L:1.5CM Condition Additional photographs and condition reports are available upon request as a courtesy to our clie

5 days Left

WARRING STATES PERIOD MULTIFACETED CRYSTAL

YaShawn Auction House

4.40 Cts IGI Certified Tanzanite: Striking 4.40ct IGI-certified tanzanite with strong pleochroism.

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4.40 Cts IGI Certified Tanzanite

Nile Jewels Co Ltd

A MAGNIFICENT AMETHYST PLATE ON A PROFESSIONAL STAND: 101 KILOGRAMS!!!! WONDERFUL COLORATION, GOOD CRYSTALS. EXCELLENT DISPAY PIECE

Apr 21, 2026

A MAGNIFICENT AMETHYST PLATE ON A PROFESSIONAL STAND

J. Greenstein & Co., Inc.

6.62 Cts GRS Certified Luxurious Colombian Emerald: Rare 6.62 cts GRS Luxurious Colombian Emerald (GRS certified) with excellent luster and beautiful transparency. Suited for a investment collection piece; perfect for a one-of-a-kind creation.

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6.62 Cts GRS Certified Luxurious Colombian Emerald

Nile Jewels Co Ltd

Blue Lagoon Tourmaline Gemstone: Natural October Birthstone, Afghanistan (6.25 CT): Title: Blue Lagoon Tourmaline Gemstone: Natural October Birthstone, Afghanistan (6.25 CT) Description: Materials: Gemstone: Tourmaline Blue Lagoon Tourmaline Gemstone: Natural October Birthston

Blue Lagoon Tourmaline Gemstone: Natural October Birthstone, Afghanistan (6.25 CT)

Chairish Auctions

Loose Diamond - ROUND 3.01ct Q-R VS1: Loose Diamond - ROUND 3.01ct Q-R VS1 Source: Natural Shape: ROUND Carats: 3.01 Color: Q-R Certification: GIA Video:

12 hrs Left

Loose Diamond - ROUND 3.01ct Q-R VS1

GIA Oval Diamond, 6.35ct D FL, Loose Lab: GIA Oval Diamond, 6.35ct D FL, Loose Lab Experience the unparalleled brilliance of a lab-grown diamond, certified by the prestigious GIA as a D FL, 6.35ct oval cut gemstone. Its exceptional clarity an

Apr 22, 2026

GIA Oval Diamond, 6.35ct D FL, Loose Lab

Polished GREEN BANDED ONYX Mineral Sphere, Weight: 1 lb: Formed and Polished GREEN BANDED ONYX Mineral Sphere. It measures 3" in Diameter and the Total Weight is 1 lb 7 oz. Green Banded Onyx is a stunning, translucent, and layered ornamental stone know for

Polished GREEN BANDED ONYX Mineral Sphere, Weight: 1 lb

Western Sportsman LLC

(3 bids)

(4) Polished GREEN BANDED ONYX Mineral Spheres, Weight: 1 lb: 4 Formed and Polished GREEN BANDED ONYX Mineral Spheres. They all measure approximately 2" in Diameter and the Total Weight is 1 lb 8 oz. Green Banded Onyx is a sedimentary stone composed of banded ca

(4) Polished GREEN BANDED ONYX Mineral Spheres, Weight: 1 lb

Western Sportsman LLC

(2 bids)

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